22574889 has 8 divisors (see below), whose sum is σ = 33444320. Its totient is φ = 15049908.

The previous prime is 22574879. The next prime is 22574911. The reversal of 22574889 is 98847522.

It is not a de Polignac number, because 22574889 - 2⁸ = 22574633 is a prime.

It is a super-2 number, since 2×22574889² = 1019251226724642, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22574809) 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 7 ways as a sum of consecutive naturals, for example, 418027 + ... + 418080.

It is an arithmetic number, because the mean of its divisors is an integer number (4180540).

Almost surely, 2^22574889 is an apocalyptic number.

It is an amenable number.

22574889 is a deficient number, since it is larger than the sum of its proper divisors (10869431).

22574889 is an equidigital number, since it uses as much as digits as its factorization.

22574889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836116 (or 836110 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 22574889 is about 4751.3039262922. The cubic root of 22574889 is about 282.6236762363.

The spelling of 22574889 in words is "twenty-two million, five hundred seventy-four thousand, eight hundred eighty-nine".