Q: What is the negative version of the number 221,630,231?
A: -221,630,231
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:
| 221,630,229 | 221,630,230 | 221,630,232 | 221,630,233 |
| -221,630,229 | -221,630,230 | -221,630,232 | -221,630,233 |