22552865 has 8 divisors (see below), whose sum is σ = 27996840. Its totient is φ = 17420032.

The previous prime is 22552853. The next prime is 22552909. The reversal of 22552865 is 56825522.

It can be written as a sum of positive squares in 4 ways, for example, as 3751969 + 18800896 = 1937^2 + 4336^2 .

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 22552865 - 2⁶ = 22552801 is a prime.

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, 77624 + ... + 77913.

It is an arithmetic number, because the mean of its divisors is an integer number (3499605).

Almost surely, 2^22552865 is an apocalyptic number.

It is an amenable number.

22552865 is a deficient number, since it is larger than the sum of its proper divisors (5443975).

22552865 is a wasteful number, since it uses less digits than its factorization.

22552865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155571.

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

The square root of 22552865 is about 4748.9856811745. The cubic root of 22552865 is about 282.5317373694.

The spelling of 22552865 in words is "twenty-two million, five hundred fifty-two thousand, eight hundred sixty-five".