22752899 has 16 divisors (see below), whose sum is σ = 25966080. Its totient is φ = 19764000.

The previous prime is 22752887. The next prime is 22752929. The reversal of 22752899 is 99825722.

It is a Cunningham number, because it is equal to 4770²-1.

It is a cyclic number.

It is not a de Polignac number, because 22752899 - 2⁸ = 22752643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22752599) 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, 61814 + ... + 62180.

It is an arithmetic number, because the mean of its divisors is an integer number (1622880).

Almost surely, 2^22752899 is an apocalyptic number.

22752899 is a deficient number, since it is larger than the sum of its proper divisors (3213181).

22752899 is a wasteful number, since it uses less digits than its factorization.

22752899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650.

The product of its digits is 181440, while the sum is 44.

The square root of 22752899 is about 4769.9998951782. Note that the first 3 decimals coincide. The cubic root of 22752899 is about 283.3645906308.

The spelling of 22752899 in words is "twenty-two million, seven hundred fifty-two thousand, eight hundred ninety-nine".