228116612 has 12 divisors (see below), whose sum is σ = 403690140. Its totient is φ = 112776576.

The previous prime is 228116593. The next prime is 228116621. The reversal of 228116612 is 216611822.

228116612 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 55562116 + 172554496 = 7454^2 + 13136^2 .

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 3 ways as a sum of consecutive naturals, for example, 320033 + ... + 320744.

It is an arithmetic number, because the mean of its divisors is an integer number (33640845).

Almost surely, 2^228116612 is an apocalyptic number.

It is an amenable number.

228116612 is a deficient number, since it is larger than the sum of its proper divisors (175573528).

228116612 is a wasteful number, since it uses less digits than its factorization.

228116612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640870 (or 640868 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 228116612 is about 15103.5297861129. The cubic root of 228116612 is about 611.0156081526.

The spelling of 228116612 in words is "two hundred twenty-eight million, one hundred sixteen thousand, six hundred twelve".