Q: What is the negative version of the number 221,455,644?
A: -221,455,644
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 221,455,642 | 221,455,643 | 221,455,645 | 221,455,646 |
| -221,455,642 | -221,455,643 | -221,455,645 | -221,455,646 |