228845166 has 32 divisors (see below), whose sum is σ = 504921600. Its totient is φ = 68566080.

The previous prime is 228845161. The next prime is 228845167. The reversal of 228845166 is 661548822.

It is a super-2 number, since 2×228845166² = 104740220003135112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228845161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13606 + ... + 25353.

It is an arithmetic number, because the mean of its divisors is an integer number (15778800).

Almost surely, 2^228845166 is an apocalyptic number.

228845166 is an abundant number, since it is smaller than the sum of its proper divisors (276076434).

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

228845166 is a wasteful number, since it uses less digits than its factorization.

228845166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39064.

The product of its digits is 184320, while the sum is 42.

The square root of 228845166 is about 15127.6292260222. The cubic root of 228845166 is about 611.6653997784.

The spelling of 228845166 in words is "two hundred twenty-eight million, eight hundred forty-five thousand, one hundred sixty-six".