22965897 has 4 divisors (see below), whose sum is σ = 30621200. Its totient is φ = 15310596.

The previous prime is 22965893. The next prime is 22965911. The reversal of 22965897 is 79856922.

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 not a de Polignac number, because 22965897 - 2² = 22965893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22965893) 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, 3827647 + ... + 3827652.

It is an arithmetic number, because the mean of its divisors is an integer number (7655300).

Almost surely, 2^22965897 is an apocalyptic number.

It is an amenable number.

22965897 is a deficient number, since it is larger than the sum of its proper divisors (7655303).

22965897 is an equidigital number, since it uses as much as digits as its factorization.

22965897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7655302.

The product of its digits is 544320, while the sum is 48.

The square root of 22965897 is about 4792.2747208398. The cubic root of 22965897 is about 284.2460713629.

The spelling of 22965897 in words is "twenty-two million, nine hundred sixty-five thousand, eight hundred ninety-seven".