22303904 has 24 divisors (see below), whose sum is σ = 50184288. Its totient is φ = 9558720.

The previous prime is 22303901. The next prime is 22303921. The reversal of 22303904 is 40930322.

It is a self number, because there is not a number n which added to its sum of digits gives 22303904.

It is not an unprimeable number, because it can be changed into a prime (22303901) 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, 49562 + ... + 50009.

It is an arithmetic number, because the mean of its divisors is an integer number (2091012).

Almost surely, 2^22303904 is an apocalyptic number.

It is an amenable number.

22303904 is an abundant number, since it is smaller than the sum of its proper divisors (27880384).

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

22303904 is an equidigital number, since it uses as much as digits as its factorization.

22303904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99588 (or 99580 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 22303904 is about 4722.7009221419. The cubic root of 22303904 is about 281.4882659765.

The spelling of 22303904 in words is "twenty-two million, three hundred three thousand, nine hundred four".