225612307 has 2 divisors, whose sum is σ = 225612308. Its totient is φ = 225612306.

The previous prime is 225612239. The next prime is 225612319. The reversal of 225612307 is 703216522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225612307 - 2¹⁵ = 225579539 is a prime.

It is not a weakly prime, because it can be changed into another prime (225612367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112806153 + 112806154.

It is an arithmetic number, because the mean of its divisors is an integer number (112806154).

Almost surely, 2^225612307 is an apocalyptic number.

225612307 is a deficient number, since it is larger than the sum of its proper divisors (1).

225612307 is an equidigital number, since it uses as much as digits as its factorization.

225612307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 225612307 is about 15020.3963662748. The cubic root of 225612307 is about 608.7714294353.

Adding to 225612307 its reverse (703216522), we get a palindrome (928828829).

The spelling of 225612307 in words is "two hundred twenty-five million, six hundred twelve thousand, three hundred seven".