22515271057 has 4 divisors (see below), whose sum is σ = 22542629440. Its totient is φ = 22487912676.

The previous prime is 22515271039. The next prime is 22515271063. The reversal of 22515271057 is 75017251522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22515271057 - 2²⁷ = 22381053329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22515271027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13677957 + ... + 13679602.

It is an arithmetic number, because the mean of its divisors is an integer number (5635657360).

Almost surely, 2^22515271057 is an apocalyptic number.

It is an amenable number.

22515271057 is a deficient number, since it is larger than the sum of its proper divisors (27358383).

22515271057 is an equidigital number, since it uses as much as digits as its factorization.

22515271057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27358382.

The product of its (nonzero) digits is 49000, while the sum is 37.

The spelling of 22515271057 in words is "twenty-two billion, five hundred fifteen million, two hundred seventy-one thousand, fifty-seven".