22297152 has 28 divisors (see below), whose sum is σ = 58995056. Its totient is φ = 7432320.

The previous prime is 22297151. The next prime is 22297157. The reversal of 22297152 is 25179222.

It is a super-2 number, since 2×22297152² = 994325974622208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22297151) 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, 57874 + ... + 58257.

Almost surely, 2^22297152 is an apocalyptic number.

It is an amenable number.

22297152 is an abundant number, since it is smaller than the sum of its proper divisors (36697904).

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

22297152 is a wasteful number, since it uses less digits than its factorization.

22297152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116146 (or 116136 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 22297152 is about 4721.9860228510. The cubic root of 22297152 is about 281.4598583848.

The spelling of 22297152 in words is "twenty-two million, two hundred ninety-seven thousand, one hundred fifty-two".