22922745 has 16 divisors (see below), whose sum is σ = 36883392. Its totient is φ = 12156480.

The previous prime is 22922737. The next prime is 22922747. The reversal of 22922745 is 54722922.

It is not a de Polignac number, because 22922745 - 2³ = 22922737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22922747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1507 + ... + 6936.

It is an arithmetic number, because the mean of its divisors is an integer number (2305212).

Almost surely, 2^22922745 is an apocalyptic number.

It is an amenable number.

22922745 is a deficient number, since it is larger than the sum of its proper divisors (13960647).

22922745 is a wasteful number, since it uses less digits than its factorization.

22922745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8632.

The product of its digits is 20160, while the sum is 33.

The square root of 22922745 is about 4787.7703579015. The cubic root of 22922745 is about 284.0679307514.

The spelling of 22922745 in words is "twenty-two million, nine hundred twenty-two thousand, seven hundred forty-five".