22534535412 has 36 divisors (see below), whose sum is σ = 57526290276. Its totient is φ = 7437139200.

The previous prime is 22534535377. The next prime is 22534535501. The reversal of 22534535412 is 21453543522.

22534535412 is a `hidden beast` number, since 2 + 253 + 45 + 354 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14943595536 + 7590939876 = 122244^2 + 87126^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3095173 + ... + 3102444.

Almost surely, 2^22534535412 is an apocalyptic number.

It is an amenable number.

22534535412 is an abundant number, since it is smaller than the sum of its proper divisors (34991754864).

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

22534535412 is a wasteful number, since it uses less digits than its factorization.

22534535412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6197728 (or 6197723 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The spelling of 22534535412 in words is "twenty-two billion, five hundred thirty-four million, five hundred thirty-five thousand, four hundred twelve".