447283229 has 2 divisors, whose sum is σ = 447283230. Its totient is φ = 447283228.

The previous prime is 447283201. The next prime is 447283253. The reversal of 447283229 is 922382744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 347822500 + 99460729 = 18650^2 + 9973^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-447283229 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447283259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223641614 + 223641615.

It is an arithmetic number, because the mean of its divisors is an integer number (223641615).

Almost surely, 2^447283229 is an apocalyptic number.

It is an amenable number.

447283229 is a deficient number, since it is larger than the sum of its proper divisors (1).

447283229 is an equidigital number, since it uses as much as digits as its factorization.

447283229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 41.

The square root of 447283229 is about 21149.0715871879. The cubic root of 447283229 is about 764.7641798086.

The spelling of 447283229 in words is "four hundred forty-seven million, two hundred eighty-three thousand, two hundred twenty-nine".