22649364 has 36 divisors (see below), whose sum is σ = 57424276. Its totient is φ = 7527168.

The previous prime is 22649359. The next prime is 22649371. The reversal of 22649364 is 46394622.

22649364 is a `hidden beast` number, since 2 + 2 + 649 + 3 + 6 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13395600 + 9253764 = 3660^2 + 3042^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent 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, 14862 + ... + 16314.

Almost surely, 2^22649364 is an apocalyptic number.

It is an amenable number.

22649364 is an abundant number, since it is smaller than the sum of its proper divisors (34774912).

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

22649364 is a wasteful number, since it uses less digits than its factorization.

22649364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896 (or 1891 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 22649364 is about 4759.1347953173. The cubic root of 22649364 is about 282.9341287670.

It can be divided in two parts, 2264 and 9364, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 22649364 in words is "twenty-two million, six hundred forty-nine thousand, three hundred sixty-four".