180304227 has 24 divisors (see below), whose sum is σ = 280294560. Its totient is φ = 111271680.

The previous prime is 180304213. The next prime is 180304237. The reversal of 180304227 is 722403081.

It is not a de Polignac number, because 180304227 - 2¹⁵ = 180271459 is a prime.

It is a super-2 number, since 2×180304227² = 65019228548135058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 180304227.

It is not an unprimeable number, because it can be changed into a prime (180304237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 327 + ... + 18992.

It is an arithmetic number, because the mean of its divisors is an integer number (11678940).

Almost surely, 2^180304227 is an apocalyptic number.

180304227 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

180304227 is a deficient number, since it is larger than the sum of its proper divisors (99990333).

180304227 is a wasteful number, since it uses less digits than its factorization.

180304227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19403 (or 19400 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 180304227 is about 13427.7409492438. The cubic root of 180304227 is about 564.9395366942.

The spelling of 180304227 in words is "one hundred eighty million, three hundred four thousand, two hundred twenty-seven".