22368290 has 16 divisors (see below), whose sum is σ = 46014912. Its totient is φ = 7669104.

The previous prime is 22368271. The next prime is 22368293. The reversal of 22368290 is 9286322.

It is not an unprimeable number, because it can be changed into a prime (22368293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159704 + ... + 159843.

It is an arithmetic number, because the mean of its divisors is an integer number (2875932).

Almost surely, 2^22368290 is an apocalyptic number.

22368290 is an abundant number, since it is smaller than the sum of its proper divisors (23646622).

22368290 is a wasteful number, since it uses less digits than its factorization.

22368290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319561.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 22368290 is about 4729.5126598837. The cubic root of 22368290 is about 281.7588687019.

The spelling of 22368290 in words is "twenty-two million, three hundred sixty-eight thousand, two hundred ninety".