32227428 has 24 divisors (see below), whose sum is σ = 75742240. Its totient is φ = 10665192.

The previous prime is 32227421. The next prime is 32227499. The reversal of 32227428 is 82472223.

It is a junction number, because it is equal to n+sod(n) for n = 32227395 and 32227404.

It is not an unprimeable number, because it can be changed into a prime (32227421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231783 + ... + 231921.

Almost surely, 2^32227428 is an apocalyptic number.

It is an amenable number.

32227428 is an abundant number, since it is smaller than the sum of its proper divisors (43514812).

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

32227428 is an frugal number, since it uses more digits than its factorization.

32227428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 144 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 32227428 is about 5676.9206441521. The cubic root of 32227428 is about 318.2305594298.

The spelling of 32227428 in words is "thirty-two million, two hundred twenty-seven thousand, four hundred twenty-eight".