228265168 has 10 divisors (see below), whose sum is σ = 442263794. Its totient is φ = 114132576.

The previous prime is 228265157. The next prime is 228265211. The reversal of 228265168 is 861562822.

It can be written as a sum of positive squares in only one way, i.e., 198584464 + 29680704 = 14092^2 + 5448^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 228265168.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7133271 + ... + 7133302.

Almost surely, 2^228265168 is an apocalyptic number.

It is an amenable number.

228265168 is a deficient number, since it is larger than the sum of its proper divisors (213998626).

228265168 is a wasteful number, since it uses less digits than its factorization.

228265168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14266581 (or 14266575 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 228265168 is about 15108.4469089314. The cubic root of 228265168 is about 611.1482162619.

The spelling of 228265168 in words is "two hundred twenty-eight million, two hundred sixty-five thousand, one hundred sixty-eight".