22072531332 has 48 divisors (see below), whose sum is σ = 54607512960. Its totient is φ = 6915144192.

The previous prime is 22072531297. The next prime is 22072531373. The reversal of 22072531332 is 23313527022.

It is a self number, because there is not a number n which added to its sum of digits gives 22072531332.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73894 + ... + 222722.

It is an arithmetic number, because the mean of its divisors is an integer number (1137656520).

Almost surely, 2^22072531332 is an apocalyptic number.

It is an amenable number.

22072531332 is an abundant number, since it is smaller than the sum of its proper divisors (32534981628).

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

22072531332 is a wasteful number, since it uses less digits than its factorization.

22072531332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149580 (or 149578 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The spelling of 22072531332 in words is "twenty-two billion, seventy-two million, five hundred thirty-one thousand, three hundred thirty-two".