22568825 has 6 divisors (see below), whose sum is σ = 27985374. Its totient is φ = 18055040.

The previous prime is 22568807. The next prime is 22568839. The reversal of 22568825 is 52886522.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 139129 + 22429696 = 373^2 + 4736^2 .

It is not a de Polignac number, because 22568825 - 2⁸ = 22568569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 451352 + ... + 451401.

It is an arithmetic number, because the mean of its divisors is an integer number (4664229).

Almost surely, 2^22568825 is an apocalyptic number.

22568825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22568825 is a deficient number, since it is larger than the sum of its proper divisors (5416549).

22568825 is an equidigital number, since it uses as much as digits as its factorization.

22568825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902763 (or 902758 counting only the distinct ones).

The product of its digits is 76800, while the sum is 38.

The square root of 22568825 is about 4750.6657428196. The cubic root of 22568825 is about 282.5983681244.

The spelling of 22568825 in words is "twenty-two million, five hundred sixty-eight thousand, eight hundred twenty-five".