225482209 has 2 divisors, whose sum is σ = 225482210. Its totient is φ = 225482208.

The previous prime is 225482161. The next prime is 225482227. The reversal of 225482209 is 902284522.

225482209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215062225 + 10419984 = 14665^2 + 3228^2 .

It is a cyclic number.

It is not a de Polignac number, because 225482209 - 2¹¹ = 225480161 is a prime.

It is not a weakly prime, because it can be changed into another prime (225482909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112741104 + 112741105.

It is an arithmetic number, because the mean of its divisors is an integer number (112741105).

Almost surely, 2^225482209 is an apocalyptic number.

It is an amenable number.

225482209 is a deficient number, since it is larger than the sum of its proper divisors (1).

225482209 is an equidigital number, since it uses as much as digits as its factorization.

225482209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 225482209 is about 15016.0650304932. The cubic root of 225482209 is about 608.6543921236.

The spelling of 225482209 in words is "two hundred twenty-five million, four hundred eighty-two thousand, two hundred nine".