22344256 has 56 divisors (see below), whose sum is σ = 51242976. Its totient is φ = 9553920.

The previous prime is 22344233. The next prime is 22344313. The reversal of 22344256 is 65244322.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11035 + ... + 12901.

Almost surely, 2^22344256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22344256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25621488).

22344256 is an abundant number, since it is smaller than the sum of its proper divisors (28898720).

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

22344256 is a wasteful number, since it uses less digits than its factorization.

22344256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907 (or 1897 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 22344256 is about 4726.9711232458. The cubic root of 22344256 is about 281.6579189577.

Adding to 22344256 its reverse (65244322), we get a palindrome (87588578).

The spelling of 22344256 in words is "twenty-two million, three hundred forty-four thousand, two hundred fifty-six".