22204866 has 24 divisors (see below), whose sum is σ = 45900432. Its totient is φ = 7161000.

The previous prime is 22204859. The next prime is 22204879. The reversal of 22204866 is 66840222.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3841 + ... + 7691.

It is an arithmetic number, because the mean of its divisors is an integer number (1912518).

Almost surely, 2^22204866 is an apocalyptic number.

22204866 is an abundant number, since it is smaller than the sum of its proper divisors (23695566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22204866 is a wasteful number, since it uses less digits than its factorization.

22204866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3918 (or 3887 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 22204866 is about 4712.2039429549. The cubic root of 22204866 is about 281.0710086796.

The spelling of 22204866 in words is "twenty-two million, two hundred four thousand, eight hundred sixty-six".