225484169 has 2 divisors, whose sum is σ = 225484170. Its totient is φ = 225484168.

The previous prime is 225484159. The next prime is 225484187. The reversal of 225484169 is 961484522.

225484169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200364025 + 25120144 = 14155^2 + 5012^2 .

It is a cyclic number.

It is not a de Polignac number, because 225484169 - 2⁸ = 225483913 is a prime.

It is a super-2 number, since 2×225484169² = 101686220939241122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (225484109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112742084 + 112742085.

It is an arithmetic number, because the mean of its divisors is an integer number (112742085).

Almost surely, 2^225484169 is an apocalyptic number.

It is an amenable number.

225484169 is a deficient number, since it is larger than the sum of its proper divisors (1).

225484169 is an equidigital number, since it uses as much as digits as its factorization.

225484169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 41.

The square root of 225484169 is about 15016.1302937874. The cubic root of 225484169 is about 608.6561556909.

The spelling of 225484169 in words is "two hundred twenty-five million, four hundred eighty-four thousand, one hundred sixty-nine".