22339218 has 16 divisors (see below), whose sum is σ = 48740256. Its totient is φ = 6769440.

The previous prime is 22339183. The next prime is 22339249. The reversal of 22339218 is 81293322.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169171 + ... + 169302.

It is an arithmetic number, because the mean of its divisors is an integer number (3046266).

Almost surely, 2^22339218 is an apocalyptic number.

22339218 is an abundant number, since it is smaller than the sum of its proper divisors (26401038).

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

22339218 is a wasteful number, since it uses less digits than its factorization.

22339218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338489.

The product of its digits is 5184, while the sum is 30.

The square root of 22339218 is about 4726.4381938200. The cubic root of 22339218 is about 281.6367487256.

The spelling of 22339218 in words is "twenty-two million, three hundred thirty-nine thousand, two hundred eighteen".