22408338 has 16 divisors (see below), whose sum is σ = 44885376. Its totient is φ = 7458000.

The previous prime is 22408333. The next prime is 22408339. The reversal of 22408338 is 83380422.

It is a super-2 number, since 2×22408338² = 1004267223844488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22408333) by changing a digit.

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, 2020 + ... + 6992.

It is an arithmetic number, because the mean of its divisors is an integer number (2805336).

Almost surely, 2^22408338 is an apocalyptic number.

22408338 is an abundant number, since it is smaller than the sum of its proper divisors (22477038).

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

22408338 is a wasteful number, since it uses less digits than its factorization.

22408338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5729.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 22408338 is about 4733.7446065456. The cubic root of 22408338 is about 281.9269213585.

The spelling of 22408338 in words is "twenty-two million, four hundred eight thousand, three hundred thirty-eight".