228085888 has 16 divisors (see below), whose sum is σ = 454390110. Its totient is φ = 114042880.

The previous prime is 228085859. The next prime is 228085901. The reversal of 228085888 is 888580822.

228085888 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 219276864 + 8809024 = 14808^2 + 2968^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 890833 + ... + 891088.

Almost surely, 2^228085888 is an apocalyptic number.

It is an amenable number.

228085888 is a deficient number, since it is larger than the sum of its proper divisors (226304222).

228085888 is an equidigital number, since it uses as much as digits as its factorization.

228085888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781935 (or 1781923 counting only the distinct ones).

The product of its (nonzero) digits is 655360, while the sum is 49.

The square root of 228085888 is about 15102.5126386307. The cubic root of 228085888 is about 610.9881752734.

The spelling of 228085888 in words is "two hundred twenty-eight million, eighty-five thousand, eight hundred eighty-eight".