225202512306 has 32 divisors (see below), whose sum is σ = 464313568320. Its totient is φ = 72784272384.

The previous prime is 225202512299. The next prime is 225202512307. The reversal of 225202512306 is 603215202522.

It is not an unprimeable number, because it can be changed into a prime (225202512307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4331455 + ... + 4383138.

It is an arithmetic number, because the mean of its divisors is an integer number (14509799010).

Almost surely, 2^225202512306 is an apocalyptic number.

225202512306 is an abundant number, since it is smaller than the sum of its proper divisors (239111056014).

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

225202512306 is a wasteful number, since it uses less digits than its factorization.

225202512306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8714730.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 225202512306 its reverse (603215202522), we get a palindrome (828417714828).

The spelling of 225202512306 in words is "two hundred twenty-five billion, two hundred two million, five hundred twelve thousand, three hundred six".