228672712 has 32 divisors (see below), whose sum is σ = 454711320. Its totient is φ = 107438080.

The previous prime is 228672701. The next prime is 228672721. The reversal of 228672712 is 217276822.

It can be written as a sum of positive squares in 4 ways, for example, as 223981156 + 4691556 = 14966^2 + 2166^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132012 + ... + 133732.

Almost surely, 2^228672712 is an apocalyptic number.

It is an amenable number.

228672712 is a deficient number, since it is larger than the sum of its proper divisors (226038608).

228672712 is a wasteful number, since it uses less digits than its factorization.

228672712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721 (or 2717 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 228672712 is about 15121.9281839321. The cubic root of 228672712 is about 611.5117141303.

The spelling of 228672712 in words is "two hundred twenty-eight million, six hundred seventy-two thousand, seven hundred twelve".