22597161 has 8 divisors (see below), whose sum is σ = 30161280. Its totient is φ = 15048912.

The previous prime is 22597153. The next prime is 22597163. The reversal of 22597161 is 16179522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22597161 - 2³ = 22597153 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (22597163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106 + ... + 6723.

It is an arithmetic number, because the mean of its divisors is an integer number (3770160).

Almost surely, 2^22597161 is an apocalyptic number.

It is an amenable number.

22597161 is a deficient number, since it is larger than the sum of its proper divisors (7564119).

22597161 is a wasteful number, since it uses less digits than its factorization.

22597161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7935.

The product of its digits is 7560, while the sum is 33.

The square root of 22597161 is about 4753.6471261548. The cubic root of 22597161 is about 282.7165895851.

The spelling of 22597161 in words is "twenty-two million, five hundred ninety-seven thousand, one hundred sixty-one".