22243008 has 28 divisors (see below), whose sum is σ = 58851800. Its totient is φ = 7414272.

The previous prime is 22242989. The next prime is 22243019. The reversal of 22243008 is 80034222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57733 + ... + 58116.

It is an arithmetic number, because the mean of its divisors is an integer number (2101850).

Almost surely, 2^22243008 is an apocalyptic number.

It is an amenable number.

22243008 is an abundant number, since it is smaller than the sum of its proper divisors (36608792).

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

22243008 is a wasteful number, since it uses less digits than its factorization.

22243008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115864 (or 115854 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 22243008 is about 4716.2493572753. The cubic root of 22243008 is about 281.2318514709.

The spelling of 22243008 in words is "twenty-two million, two hundred forty-three thousand, eight".