22222252 has 12 divisors (see below), whose sum is σ = 41880496. Its totient is φ = 10256400.

The previous prime is 22222223. The next prime is 22222253. The reversal of 22222252 is 25222222.

It is not an unprimeable number, because it can be changed into a prime (22222253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213624 + ... + 213727.

Almost surely, 2^22222252 is an apocalyptic number.

It is an amenable number.

22222252 is a deficient number, since it is larger than the sum of its proper divisors (19658244).

22222252 is a wasteful number, since it uses less digits than its factorization.

22222252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427368 (or 427366 counting only the distinct ones).

The product of its digits is 640, while the sum is 19.

The square root of 22222252 is about 4714.0483663195. The cubic root of 22222252 is about 281.1443473449.

Adding to 22222252 its reverse (25222222), we get a palindrome (47444474).

The spelling of 22222252 in words is "twenty-two million, two hundred twenty-two thousand, two hundred fifty-two".