22655025 has 24 divisors (see below), whose sum is σ = 41619360. Its totient is φ = 12082320.

The previous prime is 22654979. The next prime is 22655027. The reversal of 22655025 is 52055622.

22655025 is a `hidden beast` number, since 2 + 2 + 655 + 0 + 2 + 5 = 666.

It is not a de Polignac number, because 22655025 - 2¹⁷ = 22523953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22655025.

It is not an unprimeable number, because it can be changed into a prime (22655027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16107 + ... + 17456.

It is an arithmetic number, because the mean of its divisors is an integer number (1734140).

Almost surely, 2^22655025 is an apocalyptic number.

22655025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22655025 is a deficient number, since it is larger than the sum of its proper divisors (18964335).

22655025 is a wasteful number, since it uses less digits than its factorization.

22655025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33582 (or 33571 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 22655025 is about 4759.7295091213. The cubic root of 22655025 is about 282.9576990635.

The spelling of 22655025 in words is "twenty-two million, six hundred fifty-five thousand, twenty-five".