225243316 has 12 divisors (see below), whose sum is σ = 394762788. Its totient is φ = 112453952.

The previous prime is 225243307. The next prime is 225243323. The reversal of 225243316 is 613342522.

225243316 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 189888400 + 35354916 = 13780^2 + 5946^2 .

It is a congruent number.

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, 38881 + ... + 44296.

It is an arithmetic number, because the mean of its divisors is an integer number (32896899).

Almost surely, 2^225243316 is an apocalyptic number.

It is an amenable number.

225243316 is a deficient number, since it is larger than the sum of its proper divisors (169519472).

225243316 is a wasteful number, since it uses less digits than its factorization.

225243316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83858 (or 83856 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 225243316 is about 15008.1083418264. The cubic root of 225243316 is about 608.4393645833.

Adding to 225243316 its reverse (613342522), we get a palindrome (838585838).

The spelling of 225243316 in words is "two hundred twenty-five million, two hundred forty-three thousand, three hundred sixteen".