22132232231 has 2 divisors, whose sum is σ = 22132232232. Its totient is φ = 22132232230.

The previous prime is 22132232207. The next prime is 22132232233. The reversal of 22132232231 is 13223223122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22132232231 - 2⁶ = 22132232167 is a prime.

It is a super-2 number, since 2×22132232231² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 22132232233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22132232197 and 22132232206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22132232233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11066116115 + 11066116116.

It is an arithmetic number, because the mean of its divisors is an integer number (11066116116).

Almost surely, 2^22132232231 is an apocalyptic number.

22132232231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22132232231 is an equidigital number, since it uses as much as digits as its factorization.

22132232231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 23.

Adding to 22132232231 its reverse (13223223122), we get a palindrome (35355455353).

The spelling of 22132232231 in words is "twenty-two billion, one hundred thirty-two million, two hundred thirty-two thousand, two hundred thirty-one".