22031243052 has 96 divisors (see below), whose sum is σ = 66599232000. Its totient is φ = 5504620032.

The previous prime is 22031243009. The next prime is 22031243081. The reversal of 22031243052 is 25034213022.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 510177 + ... + 551672.

It is an arithmetic number, because the mean of its divisors is an integer number (693742000).

Almost surely, 2^22031243052 is an apocalyptic number.

It is an amenable number.

22031243052 is an abundant number, since it is smaller than the sum of its proper divisors (44567988948).

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

22031243052 is a wasteful number, since it uses less digits than its factorization.

22031243052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061895 (or 1061893 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 22031243052 its reverse (25034213022), we get a palindrome (47065456074).

The spelling of 22031243052 in words is "twenty-two billion, thirty-one million, two hundred forty-three thousand, fifty-two".