22044392 has 8 divisors (see below), whose sum is σ = 41333250. Its totient is φ = 11022192.

The previous prime is 22044377. The next prime is 22044403. The reversal of 22044392 is 29344022.

It can be written as a sum of positive squares in only one way, i.e., 20666116 + 1378276 = 4546^2 + 1174^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1377767 + ... + 1377782.

Almost surely, 2^22044392 is an apocalyptic number.

It is an amenable number.

22044392 is a deficient number, since it is larger than the sum of its proper divisors (19288858).

22044392 is a wasteful number, since it uses less digits than its factorization.

22044392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755555 (or 2755551 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 22044392 is about 4695.1455781477. The cubic root of 22044392 is about 280.3922733071.

The spelling of 22044392 in words is "twenty-two million, forty-four thousand, three hundred ninety-two".