228450180 has 48 divisors (see below), whose sum is σ = 731041920. Its totient is φ = 52217088.

The previous prime is 228450169. The next prime is 228450181. The reversal of 228450180 is 81054822.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (228450181) 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 15 ways as a sum of consecutive naturals, for example, 271545 + ... + 272384.

It is an arithmetic number, because the mean of its divisors is an integer number (15230040).

Almost surely, 2^228450180 is an apocalyptic number.

228450180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228450180 is an abundant number, since it is smaller than the sum of its proper divisors (502591740).

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

228450180 is a wasteful number, since it uses less digits than its factorization.

228450180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543948 (or 543946 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 228450180 is about 15114.5684688647. The cubic root of 228450180 is about 611.3132862991.

The spelling of 228450180 in words is "two hundred twenty-eight million, four hundred fifty thousand, one hundred eighty".