22804664 has 8 divisors (see below), whose sum is σ = 42758760. Its totient is φ = 11402328.

The previous prime is 22804657. The next prime is 22804673. The reversal of 22804664 is 46640822.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 22804664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1425284 + ... + 1425299.

It is an arithmetic number, because the mean of its divisors is an integer number (5344845).

Almost surely, 2^22804664 is an apocalyptic number.

It is an amenable number.

22804664 is a deficient number, since it is larger than the sum of its proper divisors (19954096).

22804664 is a wasteful number, since it uses less digits than its factorization.

22804664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850589 (or 2850585 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 22804664 is about 4775.4229132088. The cubic root of 22804664 is about 283.5793216283.

The spelling of 22804664 in words is "twenty-two million, eight hundred four thousand, six hundred sixty-four".