228651882 has 8 divisors (see below), whose sum is σ = 457303776. Its totient is φ = 76217292.

The previous prime is 228651881. The next prime is 228651889. The reversal of 228651882 is 288156822.

It is a sphenic number, since it is the product of 3 distinct primes.

228651882 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (228651881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19054318 + ... + 19054329.

It is an arithmetic number, because the mean of its divisors is an integer number (57162972).

Almost surely, 2^228651882 is an apocalyptic number.

228651882 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

228651882 is a wasteful number, since it uses less digits than its factorization.

228651882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38108652.

The product of its digits is 122880, while the sum is 42.

The square root of 228651882 is about 15121.2394333269. The cubic root of 228651882 is about 611.4931458518.

The spelling of 228651882 in words is "two hundred twenty-eight million, six hundred fifty-one thousand, eight hundred eighty-two".