Q: What is the negative version of the number 21,561,822?
A: -21,561,822
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:
| 21,561,820 | 21,561,821 | 21,561,823 | 21,561,824 |
| -21,561,820 | -21,561,821 | -21,561,823 | -21,561,824 |