225466361 has 2 divisors, whose sum is σ = 225466362. Its totient is φ = 225466360.

The previous prime is 225466349. The next prime is 225466433. The reversal of 225466361 is 163664522.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125865961 + 99600400 = 11219^2 + 9980^2 .

It is a cyclic number.

It is not a de Polignac number, because 225466361 - 2¹⁰ = 225465337 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_12406967 and since 225466361 and 12406967 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (225466061) 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, 112733180 + 112733181.

It is an arithmetic number, because the mean of its divisors is an integer number (112733181).

Almost surely, 2^225466361 is an apocalyptic number.

It is an amenable number.

225466361 is a deficient number, since it is larger than the sum of its proper divisors (1).

225466361 is an equidigital number, since it uses as much as digits as its factorization.

225466361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 35.

The square root of 225466361 is about 15015.5373197232. The cubic root of 225466361 is about 608.6401320469.

The spelling of 225466361 in words is "two hundred twenty-five million, four hundred sixty-six thousand, three hundred sixty-one".