228317412 has 48 divisors (see below), whose sum is σ = 588615552. Its totient is φ = 68513280.

The previous prime is 228317393. The next prime is 228317413. The reversal of 228317412 is 214713822.

It is a self number, because there is not a number n which added to its sum of digits gives 228317412.

It is not an unprimeable number, because it can be changed into a prime (228317413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19639 + ... + 29022.

It is an arithmetic number, because the mean of its divisors is an integer number (12262824).

Almost surely, 2^228317412 is an apocalyptic number.

It is an amenable number.

228317412 is an abundant number, since it is smaller than the sum of its proper divisors (360298140).

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

228317412 is a wasteful number, since it uses less digits than its factorization.

228317412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48708 (or 48706 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 228317412 is about 15110.1757766083. The cubic root of 228317412 is about 611.1948380513.

The spelling of 228317412 in words is "two hundred twenty-eight million, three hundred seventeen thousand, four hundred twelve".