22222012032231 has 32 divisors (see below), whose sum is σ = 32794152168960. Its totient is φ = 13271726966400.

The previous prime is 22222012032197. The next prime is 22222012032257. The reversal of 22222012032231 is 13223021022222.

It is not a de Polignac number, because 22222012032231 - 2¹⁸ = 22222011770087 is a prime.

It is a super-2 number, since 2×22222012032231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222012032131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2500285 + ... + 7120073.

It is an arithmetic number, because the mean of its divisors is an integer number (1024817255280).

Almost surely, 2^{22222012032231} is an apocalyptic number.

22222012032231 is a deficient number, since it is larger than the sum of its proper divisors (10572140136729).

22222012032231 is a wasteful number, since it uses less digits than its factorization.

22222012032231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4621927.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 22222012032231 its reverse (13223021022222), we get a palindrome (35445033054453).

The spelling of 22222012032231 in words is "twenty-two trillion, two hundred twenty-two billion, twelve million, thirty-two thousand, two hundred thirty-one".