Q: Is 22,131,999 a Palindrome?
A: No, the number 22,131,999 is not a palindrome.
A palindromic number is number that remains the same when its digits are reversed.
Here's how to check if a number is a palindrome:
Step 1
Take the original number and reverse it.
Here is the original number color coded:
22131999
Now we reverse it like this:
99913122
Notice the colors are going in the opposite direction now
Step 2
Compare the two numbers. If they are exactly the same then the number is a palindrome.
Is 22131999 = 99913122?
Answer:
NO, so that means the number 22,131,999 is not a palindrome!
Here are more examples of potential palindrome numbers in sequence:
| Number | 22,131,997 | 22,131,998 | 22,132,000 | 22,132,001 |
| Palindrome? | no | no | no | no |