22444008 has 16 divisors (see below), whose sum is σ = 56110080. Its totient is φ = 7481328.

The previous prime is 22444007. The next prime is 22444027. The reversal of 22444008 is 80044422.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 935167 = 22444008 / (2 + 2 + 4 + 4 + 4 + 0 + 0 + 8).

It is not an unprimeable number, because it can be changed into a prime (22444003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467560 + ... + 467607.

It is an arithmetic number, because the mean of its divisors is an integer number (3506880).

Almost surely, 2^22444008 is an apocalyptic number.

It is an amenable number.

22444008 is an abundant number, since it is smaller than the sum of its proper divisors (33666072).

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

22444008 is a wasteful number, since it uses less digits than its factorization.

22444008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935176 (or 935172 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 22444008 is about 4737.5107387741. The cubic root of 22444008 is about 282.0764341879.

The spelling of 22444008 in words is "twenty-two million, four hundred forty-four thousand, eight".