22104444 has 24 divisors (see below), whose sum is σ = 51867088. Its totient is φ = 7326720.

The previous prime is 22104431. The next prime is 22104461. The reversal of 22104444 is 44440122.

It is a self number, because there is not a number n which added to its sum of digits gives 22104444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2917 + ... + 7260.

Almost surely, 2^22104444 is an apocalyptic number.

It is an amenable number.

22104444 is an abundant number, since it is smaller than the sum of its proper divisors (29762644).

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

22104444 is a wasteful number, since it uses less digits than its factorization.

22104444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10365 (or 10363 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 22104444 is about 4701.5363446431. The cubic root of 22104444 is about 280.6466516860.

Adding to 22104444 its reverse (44440122), we get a palindrome (66544566).

The spelling of 22104444 in words is "twenty-two million, one hundred four thousand, four hundred forty-four".