22522689 has 12 divisors (see below), whose sum is σ = 37180416. Its totient is φ = 12870072.

The previous prime is 22522679. The next prime is 22522693. The reversal of 22522689 is 98622522.

It is not a de Polignac number, because 22522689 - 2⁴ = 22522673 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (22522609) 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 11 ways as a sum of consecutive naturals, for example, 178689 + ... + 178814.

It is an arithmetic number, because the mean of its divisors is an integer number (3098368).

Almost surely, 2^22522689 is an apocalyptic number.

It is an amenable number.

22522689 is a deficient number, since it is larger than the sum of its proper divisors (14657727).

22522689 is a wasteful number, since it uses less digits than its factorization.

22522689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357516 (or 357513 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 22522689 is about 4745.8075182207. The cubic root of 22522689 is about 282.4056708583.

The spelling of 22522689 in words is "twenty-two million, five hundred twenty-two thousand, six hundred eighty-nine".