22243250 has 32 divisors (see below), whose sum is σ = 41945904. Its totient is φ = 8832000.

The previous prime is 22243229. The next prime is 22243283. The reversal of 22243250 is 5234222.

It can be written as a sum of positive squares in 8 ways, for example, as 49729 + 22193521 = 223^2 + 4711^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48020 + ... + 48480.

Almost surely, 2^22243250 is an apocalyptic number.

22243250 is a deficient number, since it is larger than the sum of its proper divisors (19702654).

22243250 is a wasteful number, since it uses less digits than its factorization.

22243250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 22243250 is about 4716.2750131857. The cubic root of 22243250 is about 281.2328713848.

Adding to 22243250 its reverse (5234222), we get a palindrome (27477472).

Subtracting from 22243250 its reverse (5234222), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 22243250 in words is "twenty-two million, two hundred forty-three thousand, two hundred fifty".