22520314772 has 48 divisors (see below), whose sum is σ = 41196258432. Its totient is φ = 10761932160.

The previous prime is 22520314771. The next prime is 22520314823. The reversal of 22520314772 is 27741302522.

It is a super-2 number, since 2×22520314772² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22520314771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2969978 + ... + 2977550.

It is an arithmetic number, because the mean of its divisors is an integer number (858255384).

Almost surely, 2^22520314772 is an apocalyptic number.

It is an amenable number.

22520314772 is a deficient number, since it is larger than the sum of its proper divisors (18675943660).

22520314772 is a wasteful number, since it uses less digits than its factorization.

22520314772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7968 (or 7966 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The spelling of 22520314772 in words is "twenty-two billion, five hundred twenty million, three hundred fourteen thousand, seven hundred seventy-two".