180828228 has 48 divisors (see below), whose sum is σ = 492060800. Its totient is φ = 51664032.

The previous prime is 180828191. The next prime is 180828229. The reversal of 180828228 is 822828081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180828229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17851 + ... + 26082.

Almost surely, 2^180828228 is an apocalyptic number.

It is an amenable number.

180828228 is an abundant number, since it is smaller than the sum of its proper divisors (311232572).

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

180828228 is a wasteful number, since it uses less digits than its factorization.

180828228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43961 (or 43945 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 39.

The square root of 180828228 is about 13447.2386756538. The cubic root of 180828228 is about 565.4862840365.

The spelling of 180828228 in words is "one hundred eighty million, eight hundred twenty-eight thousand, two hundred twenty-eight".