22446164 has 12 divisors (see below), whose sum is σ = 42302484. Its totient is φ = 10359744.

The previous prime is 22446157. The next prime is 22446173. The reversal of 22446164 is 46164422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5290000 + 17156164 = 2300^2 + 4142^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215777 + ... + 215880.

It is an arithmetic number, because the mean of its divisors is an integer number (3525207).

Almost surely, 2^22446164 is an apocalyptic number.

It is an amenable number.

22446164 is a deficient number, since it is larger than the sum of its proper divisors (19856320).

22446164 is a wasteful number, since it uses less digits than its factorization.

22446164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431674 (or 431672 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 22446164 is about 4737.7382789681. The cubic root of 22446164 is about 282.0854661059.

The spelling of 22446164 in words is "twenty-two million, four hundred forty-six thousand, one hundred sixty-four".