228875307 has 8 divisors (see below), whose sum is σ = 306872640. Its totient is φ = 151730760.

The previous prime is 228875291. The next prime is 228875321. The reversal of 228875307 is 703578822.

228875307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228875307 - 2⁴ = 228875291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228875327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212569 + ... + 213642.

It is an arithmetic number, because the mean of its divisors is an integer number (38359080).

Almost surely, 2^228875307 is an apocalyptic number.

228875307 is a deficient number, since it is larger than the sum of its proper divisors (77997333).

228875307 is a wasteful number, since it uses less digits than its factorization.

228875307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426393.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 228875307 is about 15128.6254167390. The cubic root of 228875307 is about 611.6922525741.

The spelling of 228875307 in words is "two hundred twenty-eight million, eight hundred seventy-five thousand, three hundred seven".