222233431231 has 32 divisors (see below), whose sum is σ = 271780282368. Its totient is φ = 177568258560.

The previous prime is 222233431193. The next prime is 222233431249. The reversal of 222233431231 is 132134332222.

It is not a de Polignac number, because 222233431231 - 2⁹ = 222233430719 is a prime.

It is a super-2 number, since 2×222233431231² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222233431231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222233441231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6273090 + ... + 6308416.

It is an arithmetic number, because the mean of its divisors is an integer number (8493133824).

Almost surely, 2^222233431231 is an apocalyptic number.

222233431231 is a deficient number, since it is larger than the sum of its proper divisors (49546851137).

222233431231 is a wasteful number, since it uses less digits than its factorization.

222233431231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36351.

The product of its digits is 10368, while the sum is 28.

Adding to 222233431231 its reverse (132134332222), we get a palindrome (354367763453).

Subtracting from 222233431231 its reverse (132134332222), we obtain a palindrome (90099099009).

The spelling of 222233431231 in words is "two hundred twenty-two billion, two hundred thirty-three million, four hundred thirty-one thousand, two hundred thirty-one".