447236228 has 12 divisors (see below), whose sum is σ = 785450652. Its totient is φ = 222821760.

The previous prime is 447236213. The next prime is 447236243. The reversal of 447236228 is 822632744.

It is an interprime number because it is at equal distance from previous prime (447236213) and next prime (447236243).

It can be written as a sum of positive squares in 2 ways, for example, as 138109504 + 309126724 = 11752^2 + 17582^2 .

It is a junction number, because it is equal to n+sod(n) for n = 447236191 and 447236200.

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, 197825 + ... + 200072.

It is an arithmetic number, because the mean of its divisors is an integer number (65454221).

Almost surely, 2^447236228 is an apocalyptic number.

It is an amenable number.

447236228 is a deficient number, since it is larger than the sum of its proper divisors (338214424).

447236228 is a wasteful number, since it uses less digits than its factorization.

447236228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398182 (or 398180 counting only the distinct ones).

The product of its digits is 129024, while the sum is 38.

The square root of 447236228 is about 21147.9603744664. The cubic root of 447236228 is about 764.7373914577.

The spelling of 447236228 in words is "four hundred forty-seven million, two hundred thirty-six thousand, two hundred twenty-eight".