22153313412 has 36 divisors (see below), whose sum is σ = 56012825596. Its totient is φ = 7382568960.

The previous prime is 22153313401. The next prime is 22153313447. The reversal of 22153313412 is 21431335122.

22153313412 is a `hidden beast` number, since 2 + 215 + 3 + 31 + 3 + 412 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16021483776 + 6131829636 = 126576^2 + 78306^2 .

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

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, 70212 + ... + 221892.

Almost surely, 2^22153313412 is an apocalyptic number.

It is an amenable number.

22153313412 is an abundant number, since it is smaller than the sum of its proper divisors (33859512184).

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

22153313412 is a wasteful number, since it uses less digits than its factorization.

22153313412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155748 (or 155743 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

Adding to 22153313412 its reverse (21431335122), we get a palindrome (43584648534).

The spelling of 22153313412 in words is "twenty-two billion, one hundred fifty-three million, three hundred thirteen thousand, four hundred twelve".