22597057 has 4 divisors (see below), whose sum is σ = 25825216. Its totient is φ = 19368900.

The previous prime is 22597049. The next prime is 22597073. The reversal of 22597057 is 75079522.

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 22597057 - 2³ = 22597049 is a prime.

It is a super-2 number, since 2×22597057² = 1021253970122498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22597007) 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, 1614069 + ... + 1614082.

It is an arithmetic number, because the mean of its divisors is an integer number (6456304).

Almost surely, 2^22597057 is an apocalyptic number.

It is an amenable number.

22597057 is a deficient number, since it is larger than the sum of its proper divisors (3228159).

22597057 is an equidigital number, since it uses as much as digits as its factorization.

22597057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3228158.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 22597057 is about 4753.6361871729. The cubic root of 22597057 is about 282.7161558644.

It can be divided in two parts, 2259 and 7057, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 22597057 in words is "twenty-two million, five hundred ninety-seven thousand, fifty-seven".