228475085 has 8 divisors (see below), whose sum is σ = 274445280. Its totient is φ = 182596624.

The previous prime is 228475069. The next prime is 228475097. The reversal of 228475085 is 580574822.

228475085 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 a cyclic number.

It is not a de Polignac number, because 228475085 - 2⁴ = 228475069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17327 + ... + 27516.

It is an arithmetic number, because the mean of its divisors is an integer number (34305660).

Almost surely, 2^228475085 is an apocalyptic number.

It is an amenable number.

228475085 is a deficient number, since it is larger than the sum of its proper divisors (45970195).

228475085 is a wasteful number, since it uses less digits than its factorization.

228475085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45867.

The product of its (nonzero) digits is 179200, while the sum is 41.

The square root of 228475085 is about 15115.3923204130. The cubic root of 228475085 is about 611.3355000471.

The spelling of 228475085 in words is "two hundred twenty-eight million, four hundred seventy-five thousand, eighty-five".