22564422 has 24 divisors (see below), whose sum is σ = 50028264. Its totient is φ = 7346304.

The previous prime is 22564387. The next prime is 22564427. The reversal of 22564422 is 22446522.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22564427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13803 + ... + 15350.

It is an arithmetic number, because the mean of its divisors is an integer number (2084511).

Almost surely, 2^22564422 is an apocalyptic number.

22564422 is an abundant number, since it is smaller than the sum of its proper divisors (27463842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22564422 is a wasteful number, since it uses less digits than its factorization.

22564422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29204 (or 29201 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 22564422 is about 4750.2023114811. The cubic root of 22564422 is about 282.5799893573.

The spelling of 22564422 in words is "twenty-two million, five hundred sixty-four thousand, four hundred twenty-two".