22353944 has 8 divisors (see below), whose sum is σ = 41913660. Its totient is φ = 11176968.

The previous prime is 22353943. The next prime is 22353949. The reversal of 22353944 is 44935322.

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 22353944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22353943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1397114 + ... + 1397129.

Almost surely, 2^22353944 is an apocalyptic number.

It is an amenable number.

22353944 is a deficient number, since it is larger than the sum of its proper divisors (19559716).

22353944 is a wasteful number, since it uses less digits than its factorization.

22353944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2794249 (or 2794245 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 22353944 is about 4727.9957698797. The cubic root of 22353944 is about 281.6986200615.

The spelling of 22353944 in words is "twenty-two million, three hundred fifty-three thousand, nine hundred forty-four".