225225224 has 16 divisors (see below), whose sum is σ = 482625600. Its totient is φ = 96525072.

The previous prime is 225225211. The next prime is 225225293. The reversal of 225225224 is 422522522.

It is a junction number, because it is equal to n+sod(n) for n = 225225193 and 225225202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2010884 + ... + 2010995.

It is an arithmetic number, because the mean of its divisors is an integer number (30164100).

Almost surely, 2^225225224 is an apocalyptic number.

It is an amenable number.

225225224 is an abundant number, since it is smaller than the sum of its proper divisors (257400376).

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

225225224 is a wasteful number, since it uses less digits than its factorization.

225225224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4021892 (or 4021888 counting only the distinct ones).

The product of its digits is 6400, while the sum is 26.

The square root of 225225224 is about 15007.5055888712. The cubic root of 225225224 is about 608.4230737858.

Adding to 225225224 its reverse (422522522), we get a palindrome (647747746).

The spelling of 225225224 in words is "two hundred twenty-five million, two hundred twenty-five thousand, two hundred twenty-four".