22544745 has 16 divisors (see below), whose sum is σ = 37316160. Its totient is φ = 11609024.

The previous prime is 22544689. The next prime is 22544759. The reversal of 22544745 is 54744522.

It is a cyclic number.

It is not a de Polignac number, because 22544745 - 2⁶ = 22544681 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25479 + ... + 26348.

It is an arithmetic number, because the mean of its divisors is an integer number (2332260).

Almost surely, 2^22544745 is an apocalyptic number.

It is an amenable number.

22544745 is a deficient number, since it is larger than the sum of its proper divisors (14771415).

22544745 is a wasteful number, since it uses less digits than its factorization.

22544745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51864.

The product of its digits is 44800, while the sum is 33.

The square root of 22544745 is about 4748.1306848064. The cubic root of 22544745 is about 282.4978254460.

The spelling of 22544745 in words is "twenty-two million, five hundred forty-four thousand, seven hundred forty-five".