447889228 has 12 divisors (see below), whose sum is σ = 786312520. Its totient is φ = 223228512.

The previous prime is 447889219. The next prime is 447889231. The reversal of 447889228 is 822988744.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177618 + ... + 180121.

Almost surely, 2^447889228 is an apocalyptic number.

It is an amenable number.

447889228 is a deficient number, since it is larger than the sum of its proper divisors (338423292).

447889228 is a wasteful number, since it uses less digits than its factorization.

447889228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358056 (or 358054 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 52.

The square root of 447889228 is about 21163.3935842057. The cubic root of 447889228 is about 765.1094026685.

The spelling of 447889228 in words is "four hundred forty-seven million, eight hundred eighty-nine thousand, two hundred twenty-eight".