228315712 has 56 divisors (see below), whose sum is σ = 482885496. Its totient is φ = 106733568.

The previous prime is 228315697. The next prime is 228315721. The reversal of 228315712 is 217513822.

It can be written as a sum of positive squares in 4 ways, for example, as 50466816 + 177848896 = 7104^2 + 13336^2 .

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 in 7 ways as a sum of consecutive naturals, for example, 187618 + ... + 188830.

Almost surely, 2^228315712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228315712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241442748).

228315712 is an abundant number, since it is smaller than the sum of its proper divisors (254569784).

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

228315712 is a wasteful number, since it uses less digits than its factorization.

228315712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415 (or 1405 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 228315712 is about 15110.1195230216. The cubic root of 228315712 is about 611.1933211079.

The spelling of 228315712 in words is "two hundred twenty-eight million, three hundred fifteen thousand, seven hundred twelve".