228861166 has 16 divisors (see below), whose sum is σ = 347120640. Its totient is φ = 113161720.

The previous prime is 228861163. The next prime is 228861167. The reversal of 228861166 is 661168822.

228861166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228861163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66705 + ... + 70051.

It is an arithmetic number, because the mean of its divisors is an integer number (21695040).

Almost surely, 2^228861166 is an apocalyptic number.

228861166 is a deficient number, since it is larger than the sum of its proper divisors (118259474).

228861166 is a wasteful number, since it uses less digits than its factorization.

228861166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3719.

The product of its digits is 55296, while the sum is 40.

The square root of 228861166 is about 15128.1580504700. The cubic root of 228861166 is about 611.6796545669.

The spelling of 228861166 in words is "two hundred twenty-eight million, eight hundred sixty-one thousand, one hundred sixty-six".