22625855 has 8 divisors (see below), whose sum is σ = 31029792. Its totient is φ = 15514848.

The previous prime is 22625849. The next prime is 22625857. The reversal of 22625855 is 55852622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22625855 - 2⁶ = 22625791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 646453 = 22625855 / (2 + 2 + 6 + 2 + 5 + 8 + 5 + 5).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22625857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323192 + ... + 323261.

It is an arithmetic number, because the mean of its divisors is an integer number (3878724).

Almost surely, 2^22625855 is an apocalyptic number.

22625855 is a deficient number, since it is larger than the sum of its proper divisors (8403937).

22625855 is an equidigital number, since it uses as much as digits as its factorization.

22625855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646465.

The product of its digits is 48000, while the sum is 35.

The square root of 22625855 is about 4756.6642723657. The cubic root of 22625855 is about 282.8362040000.

The spelling of 22625855 in words is "twenty-two million, six hundred twenty-five thousand, eight hundred fifty-five".