180228336 has 20 divisors (see below), whose sum is σ = 465589992. Its totient is φ = 60076096.

The previous prime is 180228331. The next prime is 180228337. The reversal of 180228336 is 633822081.

It is a junction number, because it is equal to n+sod(n) for n = 180228297 and 180228306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180228331) 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 3 ways as a sum of consecutive naturals, for example, 1877331 + ... + 1877426.

Almost surely, 2^180228336 is an apocalyptic number.

180228336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

180228336 is an abundant number, since it is smaller than the sum of its proper divisors (285361656).

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

180228336 is a wasteful number, since it uses less digits than its factorization.

180228336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3754768 (or 3754762 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 180228336 is about 13424.9147483327. The cubic root of 180228336 is about 564.8602635609.

The spelling of 180228336 in words is "one hundred eighty million, two hundred twenty-eight thousand, three hundred thirty-six".