22100604 has 24 divisors (see below), whose sum is σ = 52276560. Its totient is φ = 7265664.

The previous prime is 22100597. The next prime is 22100641. The reversal of 22100604 is 40600122.

It is a congruent number.

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, 11739 + ... + 13490.

It is an arithmetic number, because the mean of its divisors is an integer number (2178190).

Almost surely, 2^22100604 is an apocalyptic number.

It is an amenable number.

22100604 is an abundant number, since it is smaller than the sum of its proper divisors (30175956).

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

22100604 is a wasteful number, since it uses less digits than its factorization.

22100604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25309 (or 25307 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22100604 is about 4701.1279497584. The cubic root of 22100604 is about 280.6303993650.

Adding to 22100604 its reverse (40600122), we get a palindrome (62700726).

The spelling of 22100604 in words is "twenty-two million, one hundred thousand, six hundred four".