22857397365 has 32 divisors (see below), whose sum is σ = 40291592832. Its totient is φ = 10972640000.

The previous prime is 22857397361. The next prime is 22857397373. The reversal of 22857397365 is 56379375822.

It is not a de Polignac number, because 22857397365 - 2² = 22857397361 is a prime.

It is a super-2 number, since 2×22857397365² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22857397361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 669126 + ... + 702455.

It is an arithmetic number, because the mean of its divisors is an integer number (1259112276).

Almost surely, 2^22857397365 is an apocalyptic number.

It is an amenable number.

22857397365 is a deficient number, since it is larger than the sum of its proper divisors (17434195467).

22857397365 is a wasteful number, since it uses less digits than its factorization.

22857397365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371701.

The product of its digits is 19051200, while the sum is 57.

The spelling of 22857397365 in words is "twenty-two billion, eight hundred fifty-seven million, three hundred ninety-seven thousand, three hundred sixty-five".