It's about one-one-hundredth as heavy as a Pig
In other words, the weight of a Pig is 110 times 0.000000002250 megatonnes.(Domestic pig, Sus scrofa domesticus, a.k.a. S. domesticus) (adult)
Domestic pigs weigh between 0.000000250 megatonnes. The titular character "Babe the pig" in the 1995 family film was played by 48 different American Yorkshire piglets due to the length of filming and the rate at which piglets reach adulthood.
It's about 150 times as heavy as a Compact disc
It's about one-two-hundredth as heavy as a Horse
In other words, 0.000000002250 megatonnes is 0.0054 times the weight of a Horse, and the weight of a Horse is 190 times that amount.(Equus ferus caballus) (Arabian, adult)
n Arabian riding horse (or similar breed) weighs between 0.000000420 megatonnes. During races, horses must carry jockeys and their equipment, which in the Kentucky Derby, for example, can weigh up to 0.0000000540 megatonnes.
It's about 200 times as heavy as a Battery (AAA)
In other words, 0.000000002250 megatonnes is 190 times the weight of a Battery (AAA), and the weight of a Battery (AAA) is 0.0053 times that amount.(Alkaline)
An "AAA" size battery weighs 0.0000000000120 megatonnes. Batteries are named by the American National Standards Institute (ANSI) Committee C18 and AAA batteries were given their name because they were smaller than the "AA" and "A" size batteries which were invented first.
It's about one-two-hundredth as heavy as a Grand Piano
In other words, the weight of a Grand Piano is 200 times 0.000000002250 megatonnes.(for Steinway & Sons, Model D Concert Grand Piano)
A Grand Piano, of the kind used for concert performances in large music halls, weighs 0.000000450 megatonnes. Well-made pianos such as this may last 75 to 100 years.
It's about one-two-hundred-fiftieth as heavy as a Polar Bear
In other words, 0.000000002250 megatonnes is 0.00436 times the weight of a Polar Bear, and the weight of a Polar Bear is 229 times that amount.(Ursus maritimus) (adult, male)
An adult, male polar bear weighs between 0.0000005160 megatonnes. Polar bears are so heavily insulated by their 9.9 cm (3.9 in) layer of blubber that they are often difficult to detect using infrared photography sensors.
It's about one-two-hundred-fiftieth as heavy as a Grizzly Bear
In other words, 0.000000002250 megatonnes is 0.00432 times the weight of a Grizzly Bear, and the weight of a Grizzly Bear is 231 times that amount.(a.k.a. brown bear, a.k.a. silver bear, Ursus arctos horribilis) (Adult, male, coastal area population average)
An adult, male grizzly bear from a coastal area (where food is plentiful) can weigh up to 0.0000005210 megatonnes. In spite of their tremendous size, grizzly bears can run at speeds of up to 55 kph (34 mph).