22104404 has 12 divisors (see below), whose sum is σ = 44208864. Its totient is φ = 9473304.

The previous prime is 22104389. The next prime is 22104427. The reversal of 22104404 is 40440122.

22104404 is an admirable number.

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, 394694 + ... + 394749.

It is an arithmetic number, because the mean of its divisors is an integer number (3684072).

Almost surely, 2^22104404 is an apocalyptic number.

It is an amenable number.

22104404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22104404 is a wasteful number, since it uses less digits than its factorization.

22104404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789454 (or 789452 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 22104404 is about 4701.5320907126. The cubic root of 22104404 is about 280.6464824007.

Adding to 22104404 its reverse (40440122), we get a palindrome (62544526).

The spelling of 22104404 in words is "twenty-two million, one hundred four thousand, four hundred four".