180863228 has 24 divisors (see below), whose sum is σ = 389552352. Its totient is φ = 71550144.

The previous prime is 180863213. The next prime is 180863251. The reversal of 180863228 is 822368081.

180863228 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 180863191 and 180863200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248075 + ... + 248802.

It is an arithmetic number, because the mean of its divisors is an integer number (16231348).

Almost surely, 2^180863228 is an apocalyptic number.

It is an amenable number.

180863228 is an abundant number, since it is smaller than the sum of its proper divisors (208689124).

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

180863228 is a wasteful number, since it uses less digits than its factorization.

180863228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496901 (or 496899 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 180863228 is about 13448.5399951073. The cubic root of 180863228 is about 565.5227656990.

The spelling of 180863228 in words is "one hundred eighty million, eight hundred sixty-three thousand, two hundred twenty-eight".