22773008 has 20 divisors (see below), whose sum is σ = 44847948. Its totient is φ = 11199360.

The previous prime is 22772993. The next prime is 22773029. The reversal of 22773008 is 80037722.

It can be written as a sum of positive squares in 2 ways, for example, as 795664 + 21977344 = 892^2 + 4688^2 .

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10691 + ... + 12642.

Almost surely, 2^22773008 is an apocalyptic number.

It is an amenable number.

22773008 is a deficient number, since it is larger than the sum of its proper divisors (22074940).

22773008 is a wasteful number, since it uses less digits than its factorization.

22773008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23402 (or 23396 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 22773008 is about 4772.1072913337. The cubic root of 22773008 is about 283.4480452079.

The spelling of 22773008 in words is "twenty-two million, seven hundred seventy-three thousand, eight".