22042252 has 6 divisors (see below), whose sum is σ = 38573948. Its totient is φ = 11021124.

The previous prime is 22042249. The next prime is 22042301. The reversal of 22042252 is 25224022.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755278 + ... + 2755285.

Almost surely, 2^22042252 is an apocalyptic number.

It is an amenable number.

22042252 is a deficient number, since it is larger than the sum of its proper divisors (16531696).

22042252 is a wasteful number, since it uses less digits than its factorization.

22042252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5510567 (or 5510565 counting only the distinct ones).

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

The square root of 22042252 is about 4694.9176776595. The cubic root of 22042252 is about 280.3831998145.

Adding to 22042252 its reverse (25224022), we get a palindrome (47266274).

The spelling of 22042252 in words is "twenty-two million, forty-two thousand, two hundred fifty-two".