22949568 has 140 divisors (see below), whose sum is σ = 71917560. Its totient is φ = 7216128.

The previous prime is 22949557. The next prime is 22949581. The reversal of 22949568 is 86594922.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 98380 + ... + 98612.

Almost surely, 2^22949568 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 22949568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35958780).

22949568 is an abundant number, since it is smaller than the sum of its proper divisors (48967992).

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

22949568 is a wasteful number, since it uses less digits than its factorization.

22949568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 257 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 22949568 is about 4790.5707384403. The cubic root of 22949568 is about 284.1786880514.

The spelling of 22949568 in words is "twenty-two million, nine hundred forty-nine thousand, five hundred sixty-eight".