447465228 has 48 divisors (see below), whose sum is σ = 1263435264. Its totient is φ = 120326400.

The previous prime is 447465199. The next prime is 447465233. The reversal of 447465228 is 822564744.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 447465228.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155248 + ... + 158103.

It is an arithmetic number, because the mean of its divisors is an integer number (26321568).

Almost surely, 2^447465228 is an apocalyptic number.

It is an amenable number.

447465228 is an abundant number, since it is smaller than the sum of its proper divisors (815970036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

447465228 is a wasteful number, since it uses less digits than its factorization.

447465228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313382 (or 313380 counting only the distinct ones).

The product of its digits is 430080, while the sum is 42.

The square root of 447465228 is about 21153.3739152883. The cubic root of 447465228 is about 764.8678929468.

The spelling of 447465228 in words is "four hundred forty-seven million, four hundred sixty-five thousand, two hundred twenty-eight".