22328565 has 48 divisors (see below), whose sum is σ = 44027712. Its totient is φ = 9601536.

The previous prime is 22328539. The next prime is 22328569. The reversal of 22328565 is 56582322.

It is not a de Polignac number, because 22328565 - 2⁵ = 22328533 is a prime.

It is a super-3 number, since 3×22328565³ (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22328569) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11602 + ... + 13388.

It is an arithmetic number, because the mean of its divisors is an integer number (917244).

Almost surely, 2^22328565 is an apocalyptic number.

It is an amenable number.

22328565 is a deficient number, since it is larger than the sum of its proper divisors (21699147).

22328565 is a wasteful number, since it uses less digits than its factorization.

22328565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826 (or 1819 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 22328565 is about 4725.3111008694. The cubic root of 22328565 is about 281.5919731605.

The spelling of 22328565 in words is "twenty-two million, three hundred twenty-eight thousand, five hundred sixty-five".