228285170 has 8 divisors (see below), whose sum is σ = 410913324. Its totient is φ = 91314064.

The previous prime is 228285139. The next prime is 228285179. The reversal of 228285170 is 71582822.

It can be written as a sum of positive squares in 2 ways, for example, as 226231681 + 2053489 = 15041^2 + 1433^2 .

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

It is a super-2 number, since 2×228285170² = 104228237683857800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 228285170.

It is not an unprimeable number, because it can be changed into a prime (228285179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11414249 + ... + 11414268.

Almost surely, 2^228285170 is an apocalyptic number.

228285170 is a deficient number, since it is larger than the sum of its proper divisors (182628154).

228285170 is a wasteful number, since it uses less digits than its factorization.

228285170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22828524.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 228285170 is about 15109.1088420198. The cubic root of 228285170 is about 611.1660665975.

The spelling of 228285170 in words is "two hundred twenty-eight million, two hundred eighty-five thousand, one hundred seventy".