22472732116512 has 36 divisors (see below), whose sum is σ = 63906831957150. Its totient is φ = 7490910705408.

The previous prime is 22472732116381. The next prime is 22472732116631. The reversal of 22472732116512 is 21561123727422.

22472732116512 is a `hidden beast` number, since 2 + 2 + 47 + 2 + 73 + 21 + 1 + 6 + 512 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13227216181776 + 9245515934736 = 3636924^2 + 3040644^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×22472732116512² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39015159637 + ... + 39015160212.

Almost surely, 2^{22472732116512} is an apocalyptic number.

It is an amenable number.

22472732116512 is an abundant number, since it is smaller than the sum of its proper divisors (41434099840638).

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

22472732116512 is a wasteful number, since it uses less digits than its factorization.

22472732116512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78030319865 (or 78030319854 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The spelling of 22472732116512 in words is "twenty-two trillion, four hundred seventy-two billion, seven hundred thirty-two million, one hundred sixteen thousand, five hundred twelve".