228705116 has 12 divisors (see below), whose sum is σ = 400726032. Its totient is φ = 114211968.

The previous prime is 228705101. The next prime is 228705121. The reversal of 228705116 is 611507822.

228705116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31445 + ... + 38028.

It is an arithmetic number, because the mean of its divisors is an integer number (33393836).

Almost surely, 2^228705116 is an apocalyptic number.

It is an amenable number.

228705116 is a deficient number, since it is larger than the sum of its proper divisors (172020916).

228705116 is a wasteful number, since it uses less digits than its factorization.

228705116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70300 (or 70298 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 228705116 is about 15122.9995701911. Note that the first 3 decimals coincide. The cubic root of 228705116 is about 611.5405974624.

The spelling of 228705116 in words is "two hundred twenty-eight million, seven hundred five thousand, one hundred sixteen".