447229 has 4 divisors (see below), whose sum is σ = 453600. Its totient is φ = 440860.

The previous prime is 447221. The next prime is 447233. The reversal of 447229 is 922744.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 447229 - 2³ = 447221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 447197 and 447206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3079 + ... + 3220.

It is an arithmetic number, because the mean of its divisors is an integer number (113400).

2⁴⁴⁷²²⁹ is an apocalyptic number.

It is an amenable number.

447229 is a deficient number, since it is larger than the sum of its proper divisors (6371).

447229 is an equidigital number, since it uses as much as digits as its factorization.

447229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6370.

The product of its digits is 4032, while the sum is 28.

The square root of 447229 is about 668.7518224274. The cubic root of 447229 is about 76.4733271672.

It can be divided in two parts, 447 and 229, that added together give a palindrome (676).

The spelling of 447229 in words is "four hundred forty-seven thousand, two hundred twenty-nine".