228828186 has 16 divisors (see below), whose sum is σ = 508507200. Its totient is φ = 76276044.

The previous prime is 228828181. The next prime is 228828217. The reversal of 228828186 is 681828822.

It is not an unprimeable number, because it can be changed into a prime (228828181) 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, 2118726 + ... + 2118833.

It is an arithmetic number, because the mean of its divisors is an integer number (31781700).

Almost surely, 2^228828186 is an apocalyptic number.

228828186 is an abundant number, since it is smaller than the sum of its proper divisors (279679014).

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

228828186 is a wasteful number, since it uses less digits than its factorization.

228828186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237570 (or 4237564 counting only the distinct ones).

The product of its digits is 196608, while the sum is 45.

The square root of 228828186 is about 15127.0679908567. The cubic root of 228828186 is about 611.6502711574.

The spelling of 228828186 in words is "two hundred twenty-eight million, eight hundred twenty-eight thousand, one hundred eighty-six".