22880865 has 32 divisors (see below), whose sum is σ = 42024960. Its totient is φ = 10413504.

The previous prime is 22880863. The next prime is 22880873. The reversal of 22880865 is 56808822.

It is not a de Polignac number, because 22880865 - 2¹ = 22880863 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22880863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37392 + ... + 37998.

It is an arithmetic number, because the mean of its divisors is an integer number (1313280).

Almost surely, 2^22880865 is an apocalyptic number.

It is an amenable number.

22880865 is a deficient number, since it is larger than the sum of its proper divisors (19144095).

22880865 is a wasteful number, since it uses less digits than its factorization.

22880865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981.

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 22880865 is about 4783.3947150533. The cubic root of 22880865 is about 283.8948273199.

The spelling of 22880865 in words is "twenty-two million, eight hundred eighty thousand, eight hundred sixty-five".