22444404 has 24 divisors (see below), whose sum is σ = 52449600. Its totient is φ = 7470144.

The previous prime is 22444393. The next prime is 22444423. The reversal of 22444404 is 40444422.

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, 11697 + ... + 13479.

It is an arithmetic number, because the mean of its divisors is an integer number (2185400).

Almost surely, 2^22444404 is an apocalyptic number.

It is an amenable number.

22444404 is an abundant number, since it is smaller than the sum of its proper divisors (30005196).

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

22444404 is a wasteful number, since it uses less digits than its factorization.

22444404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2839 (or 2837 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 22444404 is about 4737.5525326903. The cubic root of 22444404 is about 282.0780931549.

Adding to 22444404 its reverse (40444422), we get a palindrome (62888826).

The spelling of 22444404 in words is "twenty-two million, four hundred forty-four thousand, four hundred four".