Q: What is the negative version of the number 21,605,223?
A: -21,605,223
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:
| 21,605,221 | 21,605,222 | 21,605,224 | 21,605,225 |
| -21,605,221 | -21,605,222 | -21,605,224 | -21,605,225 |