22864865 has 8 divisors (see below), whose sum is σ = 27466560. Its totient is φ = 18272752.

The previous prime is 22864861. The next prime is 22864879. The reversal of 22864865 is 56846822.

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 22864865 - 2² = 22864861 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22864861) 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, 4862 + ... + 8328.

It is an arithmetic number, because the mean of its divisors is an integer number (3433320).

Almost surely, 2^22864865 is an apocalyptic number.

It is an amenable number.

22864865 is a deficient number, since it is larger than the sum of its proper divisors (4601695).

22864865 is a wasteful number, since it uses less digits than its factorization.

22864865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4791.

The product of its digits is 184320, while the sum is 41.

The square root of 22864865 is about 4781.7219701693. The cubic root of 22864865 is about 283.8286384408.

The spelling of 22864865 in words is "twenty-two million, eight hundred sixty-four thousand, eight hundred sixty-five".