228167766 has 48 divisors (see below), whose sum is σ = 530384400. Its totient is φ = 73428768.

The previous prime is 228167759. The next prime is 228167767. The reversal of 228167766 is 667761822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228167767) 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 23 ways as a sum of consecutive naturals, for example, 6000 + ... + 22188.

It is an arithmetic number, because the mean of its divisors is an integer number (11049675).

Almost surely, 2^228167766 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228167766, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265192200).

228167766 is an abundant number, since it is smaller than the sum of its proper divisors (302216634).

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

228167766 is a wasteful number, since it uses less digits than its factorization.

228167766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16235 (or 16223 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 228167766 is about 15105.2231363856. The cubic root of 228167766 is about 611.0612771289.

The spelling of 228167766 in words is "two hundred twenty-eight million, one hundred sixty-seven thousand, seven hundred sixty-six".