228685170 has 32 divisors (see below), whose sum is σ = 627251328. Its totient is φ = 52270848.

The previous prime is 228685153. The next prime is 228685183. The reversal of 228685170 is 71586822.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544279 + ... + 544698.

It is an arithmetic number, because the mean of its divisors is an integer number (19601604).

Almost surely, 2^228685170 is an apocalyptic number.

228685170 is an abundant number, since it is smaller than the sum of its proper divisors (398566158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228685170 is a wasteful number, since it uses less digits than its factorization.

228685170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088994.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 228685170 is about 15122.3400966914. The cubic root of 228685170 is about 611.5228189017.

The spelling of 228685170 in words is "two hundred twenty-eight million, six hundred eighty-five thousand, one hundred seventy".