228859218 has 48 divisors (see below), whose sum is σ = 596531520. Its totient is φ = 61946208.

The previous prime is 228859217. The next prime is 228859231. The reversal of 228859218 is 812958822.

It is not an unprimeable number, because it can be changed into a prime (228859217) 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 23 ways as a sum of consecutive naturals, for example, 45405 + ... + 50192.

It is an arithmetic number, because the mean of its divisors is an integer number (12427740).

Almost surely, 2^228859218 is an apocalyptic number.

228859218 is an abundant number, since it is smaller than the sum of its proper divisors (367672302).

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

228859218 is a wasteful number, since it uses less digits than its factorization.

228859218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95631 (or 95628 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 228859218 is about 15128.0936670818. The cubic root of 228859218 is about 611.6779190820.

The spelling of 228859218 in words is "two hundred twenty-eight million, eight hundred fifty-nine thousand, two hundred eighteen".