22328512 has 14 divisors (see below), whose sum is σ = 44308268. Its totient is φ = 11164224.

The previous prime is 22328483. The next prime is 22328513. The reversal of 22328512 is 21582322.

It is a super-3 number, since 3×22328512³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22328513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174378 + ... + 174505.

Almost surely, 2^22328512 is an apocalyptic number.

It is an amenable number.

22328512 is a deficient number, since it is larger than the sum of its proper divisors (21979756).

22328512 is an equidigital number, since it uses as much as digits as its factorization.

22328512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348895 (or 348885 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 22328512 is about 4725.3054927698. The cubic root of 22328512 is about 281.5917503609.

The spelling of 22328512 in words is "twenty-two million, three hundred twenty-eight thousand, five hundred twelve".