225228170 has 32 divisors (see below), whose sum is σ = 416432016. Its totient is φ = 87654400.

The previous prime is 225228163. The next prime is 225228187. The reversal of 225228170 is 71822522.

It can be written as a sum of positive squares in 8 ways, for example, as 143017681 + 82210489 = 11959^2 + 9067^2 .

It is a super-3 number, since 3×225228170³ (a number of 26 digits) contains 333 as substring.

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, 262382 + ... + 263238.

Almost surely, 2^225228170 is an apocalyptic number.

225228170 is a deficient number, since it is larger than the sum of its proper divisors (191203846).

225228170 is a wasteful number, since it uses less digits than its factorization.

225228170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 225228170 is about 15007.6037394382. The cubic root of 225228170 is about 608.4257265476.

The spelling of 225228170 in words is "two hundred twenty-five million, two hundred twenty-eight thousand, one hundred seventy".