22459338 has 48 divisors (see below), whose sum is σ = 53909856. Its totient is φ = 6700320.

The previous prime is 22459337. The next prime is 22459357. The reversal of 22459338 is 83395422.

It is not an unprimeable number, because it can be changed into a prime (22459337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12420 + ... + 14112.

It is an arithmetic number, because the mean of its divisors is an integer number (1123122).

Almost surely, 2^22459338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22459338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26954928).

22459338 is an abundant number, since it is smaller than the sum of its proper divisors (31450518).

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

22459338 is a wasteful number, since it uses less digits than its factorization.

22459338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779 (or 1776 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 22459338 is about 4739.1284008771. The cubic root of 22459338 is about 282.1406420836.

The spelling of 22459338 in words is "twenty-two million, four hundred fifty-nine thousand, three hundred thirty-eight".