22856947439237 has 16 divisors (see below), whose sum is σ = 23745773269680. Its totient is φ = 21974851584000.

The previous prime is 22856947439231. The next prime is 22856947439317. The reversal of 22856947439237 is 73293474965822.

It is a Cunningham number, because it is equal to 4780894²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 1 + 22856947439236 = 1^2 + 4780894^2 .

It is a cyclic number.

It is not a de Polignac number, because 22856947439237 - 2²⁰ = 22856946390661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22856947439231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66931073 + ... + 67271705.

It is an arithmetic number, because the mean of its divisors is an integer number (1484110829355).

Almost surely, 2^{22856947439237} is an apocalyptic number.

It is an amenable number.

22856947439237 is a deficient number, since it is larger than the sum of its proper divisors (888825830443).

22856947439237 is a wasteful number, since it uses less digits than its factorization.

22856947439237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350504.

The product of its digits is 1097349120, while the sum is 71.

The spelling of 22856947439237 in words is "twenty-two trillion, eight hundred fifty-six billion, nine hundred forty-seven million, four hundred thirty-nine thousand, two hundred thirty-seven".