228668012 has 12 divisors (see below), whose sum is σ = 400275120. Its totient is φ = 114303696.

The previous prime is 228668009. The next prime is 228668017. The reversal of 228668012 is 210866822.

It is not an unprimeable number, because it can be changed into a prime (228668017) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24233 + ... + 32319.

It is an arithmetic number, because the mean of its divisors is an integer number (33356260).

Almost surely, 2^228668012 is an apocalyptic number.

It is an amenable number.

228668012 is a deficient number, since it is larger than the sum of its proper divisors (171607108).

228668012 is a wasteful number, since it uses less digits than its factorization.

228668012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15160 (or 15158 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 228668012 is about 15121.7727796710. The cubic root of 228668012 is about 611.5075245548.

The spelling of 228668012 in words is "two hundred twenty-eight million, six hundred sixty-eight thousand, twelve".