180273228 has 24 divisors (see below), whose sum is σ = 430898160. Its totient is φ = 58625280.

The previous prime is 180273221. The next prime is 180273229. The reversal of 180273228 is 822372081.

It is not an unprimeable number, because it can be changed into a prime (180273221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182713 + ... + 183696.

It is an arithmetic number, because the mean of its divisors is an integer number (17954090).

Almost surely, 2^180273228 is an apocalyptic number.

It is an amenable number.

180273228 is an abundant number, since it is smaller than the sum of its proper divisors (250624932).

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

180273228 is a wasteful number, since it uses less digits than its factorization.

180273228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366457 (or 366455 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 180273228 is about 13426.5866101552. The cubic root of 180273228 is about 564.9071588909.

The spelling of 180273228 in words is "one hundred eighty million, two hundred seventy-three thousand, two hundred twenty-eight".