225064170 has 128 divisors (see below), whose sum is σ = 624879360. Its totient is φ = 58320000.

The previous prime is 225064163. The next prime is 225064171. The reversal of 225064170 is 71460522.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225064171) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 896545 + ... + 896795.

It is an arithmetic number, because the mean of its divisors is an integer number (4881870).

Almost surely, 2^225064170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225064170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312439680).

225064170 is an abundant number, since it is smaller than the sum of its proper divisors (399815190).

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

225064170 is an equidigital number, since it uses as much as digits as its factorization.

225064170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 225064170 is about 15002.1388475110. The cubic root of 225064170 is about 608.2780155283.

The spelling of 225064170 in words is "two hundred twenty-five million, sixty-four thousand, one hundred seventy".