22525822 has 16 divisors (see below), whose sum is σ = 37858032. Its totient is φ = 9961920.

The previous prime is 22525819. The next prime is 22525847. The reversal of 22525822 is 22852522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13023 + ... + 14650.

It is an arithmetic number, because the mean of its divisors is an integer number (2366127).

Almost surely, 2^22525822 is an apocalyptic number.

22525822 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22525822 is a deficient number, since it is larger than the sum of its proper divisors (15332210).

22525822 is a wasteful number, since it uses less digits than its factorization.

22525822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27723.

The product of its digits is 6400, while the sum is 28.

The square root of 22525822 is about 4746.1375875547. The cubic root of 22525822 is about 282.4187648535.

The spelling of 22525822 in words is "twenty-two million, five hundred twenty-five thousand, eight hundred twenty-two".