22461604 has 24 divisors (see below), whose sum is σ = 43930656. Its totient is φ = 9960000.

The previous prime is 22461599. The next prime is 22461619. The reversal of 22461604 is 40616422.

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 7 ways as a sum of consecutive naturals, for example, 4422 + ... + 8029.

It is an arithmetic number, because the mean of its divisors is an integer number (1830444).

Almost surely, 2^22461604 is an apocalyptic number.

It is an amenable number.

22461604 is a deficient number, since it is larger than the sum of its proper divisors (21469052).

22461604 is a wasteful number, since it uses less digits than its factorization.

22461604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12507 (or 12505 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 22461604 is about 4739.3674683443. The cubic root of 22461604 is about 282.1501304784.

The spelling of 22461604 in words is "twenty-two million, four hundred sixty-one thousand, six hundred four".