228302168 has 8 divisors (see below), whose sum is σ = 428066580. Its totient is φ = 114151080.

The previous prime is 228302161. The next prime is 228302203. The reversal of 228302168 is 861203822.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228302161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14268878 + ... + 14268893.

Almost surely, 2^228302168 is an apocalyptic number.

It is an amenable number.

228302168 is a deficient number, since it is larger than the sum of its proper divisors (199764412).

228302168 is a wasteful number, since it uses less digits than its factorization.

228302168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28537777 (or 28537773 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 228302168 is about 15109.6713399068. The cubic root of 228302168 is about 611.1812352613.

The spelling of 228302168 in words is "two hundred twenty-eight million, three hundred two thousand, one hundred sixty-eight".