22132328 has 16 divisors (see below), whose sum is σ = 41614980. Its totient is φ = 11035008.

The previous prime is 22132309. The next prime is 22132339. The reversal of 22132328 is 82323122.

It can be written as a sum of positive squares in 2 ways, for example, as 21325924 + 806404 = 4618^2 + 898^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725 + ... + 6692.

Almost surely, 2^22132328 is an apocalyptic number.

It is an amenable number.

22132328 is a deficient number, since it is larger than the sum of its proper divisors (19482652).

22132328 is a wasteful number, since it uses less digits than its factorization.

22132328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7796 (or 7792 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 22132328 is about 4704.5008236794. The cubic root of 22132328 is about 280.7646108165.

The spelling of 22132328 in words is "twenty-two million, one hundred thirty-two thousand, three hundred twenty-eight".