180000228 has 24 divisors (see below), whose sum is σ = 420436800. Its totient is φ = 59937760.

The previous prime is 180000173. The next prime is 180000259. The reversal of 180000228 is 822000081.

180000228 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

180000228 is strictly pandigital in base 9.

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, 5098 + ... + 19646.

It is an arithmetic number, because the mean of its divisors is an integer number (17518200).

Almost surely, 2^180000228 is an apocalyptic number.

It is an amenable number.

180000228 is an abundant number, since it is smaller than the sum of its proper divisors (240436572).

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

180000228 is a wasteful number, since it uses less digits than its factorization.

180000228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15587 (or 15585 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 180000228 is about 13416.4163620544. The cubic root of 180000228 is about 564.6218557243.

The spelling of 180000228 in words is "one hundred eighty million, two hundred twenty-eight", and thus it is an aban number.