225313219 has 2 divisors, whose sum is σ = 225313220. Its totient is φ = 225313218.

The previous prime is 225313213. The next prime is 225313237. The reversal of 225313219 is 912313522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225313219 - 2⁹ = 225312707 is a prime.

It is a super-2 number, since 2×225313219² = 101532093312283922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (225313213) 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, 112656609 + 112656610.

It is an arithmetic number, because the mean of its divisors is an integer number (112656610).

Almost surely, 2^225313219 is an apocalyptic number.

225313219 is a deficient number, since it is larger than the sum of its proper divisors (1).

225313219 is an equidigital number, since it uses as much as digits as its factorization.

225313219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 28.

The square root of 225313219 is about 15010.4370022994. The cubic root of 225313219 is about 608.5022999881.

The spelling of 225313219 in words is "two hundred twenty-five million, three hundred thirteen thousand, two hundred nineteen".