22243244 has 12 divisors (see below), whose sum is σ = 40181568. Its totient is φ = 10762800.

The previous prime is 22243229. The next prime is 22243283. The reversal of 22243244 is 44234222.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89567 + ... + 89814.

It is an arithmetic number, because the mean of its divisors is an integer number (3348464).

Almost surely, 2^22243244 is an apocalyptic number.

It is an amenable number.

22243244 is a deficient number, since it is larger than the sum of its proper divisors (17938324).

22243244 is a wasteful number, since it uses less digits than its factorization.

22243244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179416 (or 179414 counting only the distinct ones).

The product of its digits is 3072, while the sum is 23.

The square root of 22243244 is about 4716.2743770905. The cubic root of 22243244 is about 281.2328460978.

Adding to 22243244 its reverse (44234222), we get a palindrome (66477466).

The spelling of 22243244 in words is "twenty-two million, two hundred forty-three thousand, two hundred forty-four".