32140228 has 12 divisors (see below), whose sum is σ = 57617532. Its totient is φ = 15678080.

The previous prime is 32140219. The next prime is 32140231. The reversal of 32140228 is 82204123.

It can be written as a sum of positive squares in 2 ways, for example, as 6718464 + 25421764 = 2592^2 + 5042^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32140199 and 32140208.

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, 97825 + ... + 98152.

It is an arithmetic number, because the mean of its divisors is an integer number (4801461).

Almost surely, 2^32140228 is an apocalyptic number.

It is an amenable number.

32140228 is a deficient number, since it is larger than the sum of its proper divisors (25477304).

32140228 is a wasteful number, since it uses less digits than its factorization.

32140228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196022 (or 196020 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 32140228 is about 5669.2352217914. The cubic root of 32140228 is about 317.9432806293.

The spelling of 32140228 in words is "thirty-two million, one hundred forty thousand, two hundred twenty-eight".