22905995 has 16 divisors (see below), whose sum is σ = 31518720. Its totient is φ = 15654624.

The previous prime is 22905991. The next prime is 22906007. The reversal of 22905995 is 59950922.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22905995 - 2² = 22905991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22905991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11654 + ... + 13476.

It is an arithmetic number, because the mean of its divisors is an integer number (1969920).

Almost surely, 2^22905995 is an apocalyptic number.

22905995 is a deficient number, since it is larger than the sum of its proper divisors (8612725).

22905995 is a wasteful number, since it uses less digits than its factorization.

22905995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194.

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 22905995 is about 4786.0207897584. The cubic root of 22905995 is about 283.9987229659.

The spelling of 22905995 in words is "twenty-two million, nine hundred five thousand, nine hundred ninety-five".