225230273 has 2 divisors, whose sum is σ = 225230274. Its totient is φ = 225230272.

The previous prime is 225230249. The next prime is 225230279. The reversal of 225230273 is 372032522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223442704 + 1787569 = 14948^2 + 1337^2 .

It is a cyclic number.

It is not a de Polignac number, because 225230273 - 2⁶ = 225230209 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (225230279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112615136 + 112615137.

It is an arithmetic number, because the mean of its divisors is an integer number (112615137).

Almost surely, 2^225230273 is an apocalyptic number.

It is an amenable number.

225230273 is a deficient number, since it is larger than the sum of its proper divisors (1).

225230273 is an equidigital number, since it uses as much as digits as its factorization.

225230273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 225230273 is about 15007.6738037579. The cubic root of 225230273 is about 608.4276202055.

Adding to 225230273 its reverse (372032522), we get a palindrome (597262795).

The spelling of 225230273 in words is "two hundred twenty-five million, two hundred thirty thousand, two hundred seventy-three".