225041173 has 12 divisors (see below), whose sum is σ = 262058412. Its totient is φ = 192689280.

The previous prime is 225041161. The next prime is 225041191. The reversal of 225041173 is 371140522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 180445489 + 44595684 = 13433^2 + 6678^2 .

It is not a de Polignac number, because 225041173 - 2⁹ = 225040661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225042173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61783 + ... + 65323.

It is an arithmetic number, because the mean of its divisors is an integer number (21838201).

Almost surely, 2^225041173 is an apocalyptic number.

It is an amenable number.

225041173 is a deficient number, since it is larger than the sum of its proper divisors (37017239).

225041173 is a wasteful number, since it uses less digits than its factorization.

225041173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4852 (or 4845 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 225041173 is about 15001.3723705533. The cubic root of 225041173 is about 608.2572969246.

Adding to 225041173 its reverse (371140522), we get a palindrome (596181695).

The spelling of 225041173 in words is "two hundred twenty-five million, forty-one thousand, one hundred seventy-three".