228657107 has 4 divisors (see below), whose sum is σ = 261322416. Its totient is φ = 195991800.

The previous prime is 228657103. The next prime is 228657161. The reversal of 228657107 is 701756822.

228657107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228657107 - 2² = 228657103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228657103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16332644 + ... + 16332657.

It is an arithmetic number, because the mean of its divisors is an integer number (65330604).

Almost surely, 2^228657107 is an apocalyptic number.

228657107 is a deficient number, since it is larger than the sum of its proper divisors (32665309).

228657107 is an equidigital number, since it uses as much as digits as its factorization.

228657107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32665308.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 228657107 is about 15121.4122025689. The cubic root of 228657107 is about 611.4978036272.

The spelling of 228657107 in words is "two hundred twenty-eight million, six hundred fifty-seven thousand, one hundred seven".