225063605306 has 16 divisors (see below), whose sum is σ = 341854554600. Its totient is φ = 111115538688.

The previous prime is 225063605287. The next prime is 225063605323. The reversal of 225063605306 is 603506360522.

It can be written as a sum of positive squares in 4 ways, for example, as 225041128225 + 22477081 = 474385^2 + 4741^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 225063605306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732011 + ... + 992958.

Almost surely, 2^225063605306 is an apocalyptic number.

225063605306 is a deficient number, since it is larger than the sum of its proper divisors (116790949294).

225063605306 is a wasteful number, since it uses less digits than its factorization.

225063605306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725793.

The product of its (nonzero) digits is 194400, while the sum is 38.

Adding to 225063605306 its reverse (603506360522), we get a palindrome (828569965828).

The spelling of 225063605306 in words is "two hundred twenty-five billion, sixty-three million, six hundred five thousand, three hundred six".