447824228 has 6 divisors (see below), whose sum is σ = 783692406. Its totient is φ = 223912112.

The previous prime is 447824213. The next prime is 447824239. The reversal of 447824228 is 822428744.

It can be written as a sum of positive squares in only one way, i.e., 310887424 + 136936804 = 17632^2 + 11702^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55978025 + ... + 55978032.

It is an arithmetic number, because the mean of its divisors is an integer number (130615401).

Almost surely, 2^447824228 is an apocalyptic number.

It is an amenable number.

447824228 is a deficient number, since it is larger than the sum of its proper divisors (335868178).

447824228 is a wasteful number, since it uses less digits than its factorization.

447824228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111956061 (or 111956059 counting only the distinct ones).

The product of its digits is 229376, while the sum is 41.

The square root of 447824228 is about 21161.8578579481. The cubic root of 447824228 is about 765.0723886673.

The spelling of 447824228 in words is "four hundred forty-seven million, eight hundred twenty-four thousand, two hundred twenty-eight".