447224224 has 12 divisors (see below), whose sum is σ = 880472754. Its totient is φ = 223612096.

The previous prime is 447224179. The next prime is 447224231. The reversal of 447224224 is 422422744.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 304851600 + 142372624 = 17460^2 + 11932^2 .

It is an unprimeable number.

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, 6987847 + ... + 6987910.

Almost surely, 2^447224224 is an apocalyptic number.

It is an amenable number.

447224224 is a deficient number, since it is larger than the sum of its proper divisors (433248530).

447224224 is a wasteful number, since it uses less digits than its factorization.

447224224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13975767 (or 13975759 counting only the distinct ones).

The product of its digits is 28672, while the sum is 31.

The square root of 447224224 is about 21147.6765626865. The cubic root of 447224224 is about 764.7305494435.

Adding to 447224224 its reverse (422422744), we get a palindrome (869646968).

The spelling of 447224224 in words is "four hundred forty-seven million, two hundred twenty-four thousand, two hundred twenty-four".