22921601013 has 12 divisors (see below), whose sum is σ = 33237811308. Its totient is φ = 15221606400.

The previous prime is 22921600993. The next prime is 22921601069. The reversal of 22921601013 is 31010612922.

22921601013 is a `hidden beast` number, since 2 + 29 + 21 + 601 + 0 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21192954084 + 1728646929 = 145578^2 + 41577^2 .

It is not a de Polignac number, because 22921601013 - 2²¹ = 22919503861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22921601093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4952638 + ... + 4957263.

It is an arithmetic number, because the mean of its divisors is an integer number (2769817609).

Almost surely, 2^22921601013 is an apocalyptic number.

It is an amenable number.

22921601013 is a deficient number, since it is larger than the sum of its proper divisors (10316210295).

22921601013 is a wasteful number, since it uses less digits than its factorization.

22921601013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9910164 (or 9910161 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 22921601013 in words is "twenty-two billion, nine hundred twenty-one million, six hundred one thousand, thirteen".