22520675 has 12 divisors (see below), whose sum is σ = 28889520. Its totient is φ = 17394720.

The previous prime is 22520671. The next prime is 22520683. The reversal of 22520675 is 57602522.

It is not a de Polignac number, because 22520675 - 2² = 22520671 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (22520671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14807 + ... + 16256.

It is an arithmetic number, because the mean of its divisors is an integer number (2407460).

Almost surely, 2^22520675 is an apocalyptic number.

22520675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22520675 is a deficient number, since it is larger than the sum of its proper divisors (6368845).

22520675 is a wasteful number, since it uses less digits than its factorization.

22520675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31102 (or 31097 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 22520675 is about 4745.5953261946. The cubic root of 22520675 is about 282.3972529472.

The spelling of 22520675 in words is "twenty-two million, five hundred twenty thousand, six hundred seventy-five".