22445604 has 36 divisors (see below), whose sum is σ = 57277584. Its totient is φ = 7410672.

The previous prime is 22445597. The next prime is 22445611. The reversal of 22445604 is 40654422.

It is an interprime number because it is at equal distance from previous prime (22445597) and next prime (22445611).

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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, 939 + ... + 6765.

It is an arithmetic number, because the mean of its divisors is an integer number (1591044).

Almost surely, 2^22445604 is an apocalyptic number.

It is an amenable number.

22445604 is an abundant number, since it is smaller than the sum of its proper divisors (34831980).

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

22445604 is a wasteful number, since it uses less digits than its factorization.

22445604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5944 (or 5939 counting only the distinct ones).

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

The square root of 22445604 is about 4737.6791786697. The cubic root of 22445604 is about 282.0831202087.

The spelling of 22445604 in words is "twenty-two million, four hundred forty-five thousand, six hundred four".