22943745 has 24 divisors (see below), whose sum is σ = 43385472. Its totient is φ = 11124000.

The previous prime is 22943731. The next prime is 22943749. The reversal of 22943745 is 54734922.

It is not a de Polignac number, because 22943745 - 2⁴ = 22943729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22943749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22681 + ... + 23670.

It is an arithmetic number, because the mean of its divisors is an integer number (1807728).

Almost surely, 2^22943745 is an apocalyptic number.

It is an amenable number.

22943745 is a deficient number, since it is larger than the sum of its proper divisors (20441727).

22943745 is a wasteful number, since it uses less digits than its factorization.

22943745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46373 (or 46370 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 22943745 is about 4789.9629434892. The cubic root of 22943745 is about 284.1546511070.

The spelling of 22943745 in words is "twenty-two million, nine hundred forty-three thousand, seven hundred forty-five".