I received an interesting email today.
It turns out that the number $2.2 trillion is not an uncommon one. It seems that in 2007 the country spent $2.24 trillion on health care.
The IMF estimates that worldwide bank losses on U.S. assets topped $2.2 trillion.
The projected cost to repair America's infrastructure is estimated at $2.2 trillion.
Oil companies have paid a combined total of $2.2 trillion in taxes over the last 25 years, adjusted for inflation.
There's more, but that gives you a taste.
But how do you visualize that much money?
My correspondent was ingenious. According to WikiAnswers, a single crisp new dollar bill has dimensions of
6.6294cm (2.61") wide, by 15.5956cm (6.14") long, and 0.010922cm (0.0043") in thicknessNot much help.
Here's a visual:
That's Kheops' pyramid, the Great Pyramid at Giza. Click for a bigger version of the image.
It has a volume of 2,583,283 cubic meters.
Now imagine all that stone was instead stacks of $1 bills:
Boggles, doesn't it?