22922913 has 16 divisors (see below), whose sum is σ = 33682880. Its totient is φ = 13777344.

The previous prime is 22922909. The next prime is 22922923. The reversal of 22922913 is 31922922.

It is a happy number.

It is not a de Polignac number, because 22922913 - 2² = 22922909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22922903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5158 + ... + 8511.

It is an arithmetic number, because the mean of its divisors is an integer number (2105180).

Almost surely, 2^22922913 is an apocalyptic number.

It is an amenable number.

22922913 is a deficient number, since it is larger than the sum of its proper divisors (10759967).

22922913 is a wasteful number, since it uses less digits than its factorization.

22922913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13728.

The product of its digits is 3888, while the sum is 30.

The square root of 22922913 is about 4787.7879025705. The cubic root of 22922913 is about 284.0686247244.

Subtracting 22922913 from its reverse (31922922), we obtain a palindrome (9000009).

The spelling of 22922913 in words is "twenty-two million, nine hundred twenty-two thousand, nine hundred thirteen".