225441224 has 16 divisors (see below), whose sum is σ = 430678620. Its totient is φ = 110593600.

The previous prime is 225441221. The next prime is 225441241. The reversal of 225441224 is 422144522.

It can be written as a sum of positive squares in 2 ways, for example, as 210772324 + 14668900 = 14518^2 + 3830^2 .

It is a junction number, because it is equal to n+sod(n) for n = 225441193 and 225441202.

It is not an unprimeable number, because it can be changed into a prime (225441221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265427 + ... + 266274.

Almost surely, 2^225441224 is an apocalyptic number.

It is an amenable number.

225441224 is a deficient number, since it is larger than the sum of its proper divisors (205237396).

225441224 is a wasteful number, since it uses less digits than its factorization.

225441224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531760 (or 531756 counting only the distinct ones).

The product of its digits is 5120, while the sum is 26.

The square root of 225441224 is about 15014.7002634085. The cubic root of 225441224 is about 608.6175123303.

Adding to 225441224 its reverse (422144522), we get a palindrome (647585746).

The spelling of 225441224 in words is "two hundred twenty-five million, four hundred forty-one thousand, two hundred twenty-four".