22442328 has 48 divisors (see below), whose sum is σ = 61022520. Its totient is φ = 7451136.

The previous prime is 22442311. The next prime is 22442341. The reversal of 22442328 is 82324422.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24975 + ... + 25857.

Almost surely, 2^22442328 is an apocalyptic number.

It is an amenable number.

22442328 is an abundant number, since it is smaller than the sum of its proper divisors (38580192).

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

22442328 is a wasteful number, since it uses less digits than its factorization.

22442328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248 (or 1241 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 22442328 is about 4737.3334271508. Note that the first 3 decimals coincide. The cubic root of 22442328 is about 282.0693959287.

The spelling of 22442328 in words is "twenty-two million, four hundred forty-two thousand, three hundred twenty-eight".