22431042522 has 36 divisors (see below), whose sum is σ = 56535384906. Its totient is φ = 6408869040.

The previous prime is 22431042521. The next prime is 22431042533. The reversal of 22431042522 is 22524013422.

22431042522 is a `hidden beast` number, since 224 + 3 + 10 + 425 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19672587081 + 2758455441 = 140259^2 + 52521^2 .

It is not an unprimeable number, because it can be changed into a prime (22431042521) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12715129 + ... + 12716892.

Almost surely, 2^22431042522 is an apocalyptic number.

22431042522 is an abundant number, since it is smaller than the sum of its proper divisors (34104342384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22431042522 is a wasteful number, since it uses less digits than its factorization.

22431042522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25432043 (or 25432033 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 22431042522 its reverse (22524013422), we get a palindrome (44955055944).

The spelling of 22431042522 in words is "twenty-two billion, four hundred thirty-one million, forty-two thousand, five hundred twenty-two".