225324441 has 6 divisors (see below), whose sum is σ = 325468650. Its totient is φ = 150216288.

The previous prime is 225324389. The next prime is 225324467. The reversal of 225324441 is 144423522.

It can be written as a sum of positive squares in only one way, i.e., 209091600 + 16232841 = 14460^2 + 4029^2 .

It is not a de Polignac number, because 225324441 - 2⁶ = 225324377 is a prime.

It is a super-2 number, since 2×225324441² = 101542207423924962, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (225322441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12518016 + ... + 12518033.

It is an arithmetic number, because the mean of its divisors is an integer number (54244775).

Almost surely, 2^225324441 is an apocalyptic number.

It is an amenable number.

225324441 is a deficient number, since it is larger than the sum of its proper divisors (100144209).

225324441 is a wasteful number, since it uses less digits than its factorization.

225324441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25036055 (or 25036052 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 225324441 is about 15010.8108042171. The cubic root of 225324441 is about 608.5124022204.

Adding to 225324441 its reverse (144423522), we get a palindrome (369747963).

The spelling of 225324441 in words is "two hundred twenty-five million, three hundred twenty-four thousand, four hundred forty-one".