32428224 has 42 divisors (see below), whose sum is σ = 92951300. Its totient is φ = 10809216.

The previous prime is 32428213. The next prime is 32428259. The reversal of 32428224 is 42282423.

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27574 + ... + 28725.

Almost surely, 2^32428224 is an apocalyptic number.

It is an amenable number.

32428224 is an abundant number, since it is smaller than the sum of its proper divisors (60523076).

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

32428224 is a wasteful number, since it uses less digits than its factorization.

32428224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56317 (or 56304 counting only the distinct ones).

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

The square root of 32428224 is about 5694.5784743034. The cubic root of 32428224 is about 318.8901132571.

It can be divided in two parts, 324 and 28224, that multiplied together give a square (9144576 = 3024²).

The spelling of 32428224 in words is "thirty-two million, four hundred twenty-eight thousand, two hundred twenty-four".