225112170 has 16 divisors (see below), whose sum is σ = 540269280. Its totient is φ = 60029904.

The previous prime is 225112169. The next prime is 225112189. The reversal of 225112170 is 71211522.

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, 3751840 + ... + 3751899.

It is an arithmetic number, because the mean of its divisors is an integer number (33766830).

Almost surely, 2^225112170 is an apocalyptic number.

225112170 is an abundant number, since it is smaller than the sum of its proper divisors (315157110).

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

225112170 is a wasteful number, since it uses less digits than its factorization.

225112170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7503749.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 225112170 is about 15003.7385341121. The cubic root of 225112170 is about 608.3212554471.

Adding to 225112170 its reverse (71211522), we get a palindrome (296323692).

The spelling of 225112170 in words is "two hundred twenty-five million, one hundred twelve thousand, one hundred seventy".