22842865 has 16 divisors (see below), whose sum is σ = 28512000. Its totient is φ = 17547712.

The previous prime is 22842857. The next prime is 22842881. The reversal of 22842865 is 56824822.

It is a cyclic number.

It is not a de Polignac number, because 22842865 - 2³ = 22842857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37836 + ... + 38434.

It is an arithmetic number, because the mean of its divisors is an integer number (1782000).

Almost surely, 2^22842865 is an apocalyptic number.

It is an amenable number.

22842865 is a deficient number, since it is larger than the sum of its proper divisors (5669135).

22842865 is a wasteful number, since it uses less digits than its factorization.

22842865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896.

The product of its digits is 61440, while the sum is 37.

The square root of 22842865 is about 4779.4209900363. The cubic root of 22842865 is about 283.7375782953.

The spelling of 22842865 in words is "twenty-two million, eight hundred forty-two thousand, eight hundred sixty-five".