32231228 has 12 divisors (see below), whose sum is σ = 57361080. Its totient is φ = 15842352.

The previous prime is 32231219. The next prime is 32231263. The reversal of 32231228 is 82213223.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68051 + ... + 68522.

It is an arithmetic number, because the mean of its divisors is an integer number (4780090).

Almost surely, 2^32231228 is an apocalyptic number.

It is an amenable number.

32231228 is a deficient number, since it is larger than the sum of its proper divisors (25129852).

32231228 is a wasteful number, since it uses less digits than its factorization.

32231228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136636 (or 136634 counting only the distinct ones).

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

The square root of 32231228 is about 5677.2553227770. The cubic root of 32231228 is about 318.2430666705.

The spelling of 32231228 in words is "thirty-two million, two hundred thirty-one thousand, two hundred twenty-eight".