22331132231 has 12 divisors (see below), whose sum is σ = 24017278680. Its totient is φ = 20705646960.

The previous prime is 22331132111. The next prime is 22331132287. The reversal of 22331132231 is 13223113322.

It is not a de Polignac number, because 22331132231 - 2¹⁴ = 22331115847 is a prime.

It is a super-2 number, since 2×22331132231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22331132197 and 22331132206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22331138231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224060 + ... + 308001.

It is an arithmetic number, because the mean of its divisors is an integer number (2001439890).

Almost surely, 2^22331132231 is an apocalyptic number.

22331132231 is a deficient number, since it is larger than the sum of its proper divisors (1686146449).

22331132231 is an equidigital number, since it uses as much as digits as its factorization.

22331132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532174 (or 532127 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

Adding to 22331132231 its reverse (13223113322), we get a palindrome (35554245553).

The spelling of 22331132231 in words is "twenty-two billion, three hundred thirty-one million, one hundred thirty-two thousand, two hundred thirty-one".