450309227 has 2 divisors, whose sum is σ = 450309228. Its totient is φ = 450309226.

The previous prime is 450309199. The next prime is 450309239. The reversal of 450309227 is 722903054.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 450309227 - 2⁶ = 450309163 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 450309193 and 450309202.

It is not a weakly prime, because it can be changed into another prime (450309247) 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, 225154613 + 225154614.

It is an arithmetic number, because the mean of its divisors is an integer number (225154614).

Almost surely, 2^450309227 is an apocalyptic number.

450309227 is a deficient number, since it is larger than the sum of its proper divisors (1).

450309227 is an equidigital number, since it uses as much as digits as its factorization.

450309227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 450309227 is about 21220.4907341937. The cubic root of 450309227 is about 766.4849207709.

The spelling of 450309227 in words is "four hundred fifty million, three hundred nine thousand, two hundred twenty-seven".