22297332 has 24 divisors (see below), whose sum is σ = 52805536. Its totient is φ = 7321248.

The previous prime is 22297313. The next prime is 22297333. The reversal of 22297332 is 23379222.

It is a self number, because there is not a number n which added to its sum of digits gives 22297332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22297333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13063 + ... + 14670.

Almost surely, 2^22297332 is an apocalyptic number.

It is an amenable number.

22297332 is an abundant number, since it is smaller than the sum of its proper divisors (30508204).

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

22297332 is a wasteful number, since it uses less digits than its factorization.

22297332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27807 (or 27805 counting only the distinct ones).

The product of its digits is 9072, while the sum is 30.

The square root of 22297332 is about 4722.0050825894. The cubic root of 22297332 is about 281.4606157706.

The spelling of 22297332 in words is "twenty-two million, two hundred ninety-seven thousand, three hundred thirty-two".