22404666 has 16 divisors (see below), whose sum is σ = 45478944. Its totient is φ = 7356624.

The previous prime is 22404659. The next prime is 22404671. The reversal of 22404666 is 66640422.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27465 + ... + 28268.

It is an arithmetic number, because the mean of its divisors is an integer number (2842434).

Almost surely, 2^22404666 is an apocalyptic number.

22404666 is an abundant number, since it is smaller than the sum of its proper divisors (23074278).

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

22404666 is a wasteful number, since it uses less digits than its factorization.

22404666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55805.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 22404666 is about 4733.3567370313. The cubic root of 22404666 is about 281.9115209570.

The spelling of 22404666 in words is "twenty-two million, four hundred four thousand, six hundred sixty-six".