225222539 has 2 divisors, whose sum is σ = 225222540. Its totient is φ = 225222538.

The previous prime is 225222521. The next prime is 225222563. The reversal of 225222539 is 935222522.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225222539 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (225222139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112611269 + 112611270.

It is an arithmetic number, because the mean of its divisors is an integer number (112611270).

Almost surely, 2^225222539 is an apocalyptic number.

225222539 is a deficient number, since it is larger than the sum of its proper divisors (1).

225222539 is an equidigital number, since it uses as much as digits as its factorization.

225222539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 32.

The square root of 225222539 is about 15007.4161333655. The cubic root of 225222539 is about 608.4206560246.

The spelling of 225222539 in words is "two hundred twenty-five million, two hundred twenty-two thousand, five hundred thirty-nine".