Q: What is the negative version of the number 221,222,421?
A: -221,222,421
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:
| 221,222,419 | 221,222,420 | 221,222,422 | 221,222,423 |
| -221,222,419 | -221,222,420 | -221,222,422 | -221,222,423 |