22856791165 has 12 divisors (see below), whose sum is σ = 29700304884. Its totient is φ = 16878860544.

The previous prime is 22856791157. The next prime is 22856791189. The reversal of 22856791165 is 56119765822.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5021989956 + 17834801209 = 70866^2 + 133547^2 .

It is not a de Polignac number, because 22856791165 - 2³ = 22856791157 is a prime.

It is a Duffinian number.

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, 13523884 + ... + 13525573.

It is an arithmetic number, because the mean of its divisors is an integer number (2475025407).

Almost surely, 2^22856791165 is an apocalyptic number.

It is an amenable number.

22856791165 is a deficient number, since it is larger than the sum of its proper divisors (6843513719).

22856791165 is a wasteful number, since it uses less digits than its factorization.

22856791165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27049488 (or 27049475 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 52.

The spelling of 22856791165 in words is "twenty-two billion, eight hundred fifty-six million, seven hundred ninety-one thousand, one hundred sixty-five".