4509228 has 18 divisors (see below), whose sum is σ = 10538724. Its totient is φ = 1500624.

The previous prime is 4509223. The next prime is 4509257. The reversal of 4509228 is 8229054.

It is a junction number, because it is equal to n+sod(n) for n = 4509195 and 4509204.

It is not an unprimeable number, because it can be changed into a prime (4509223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7050 + ... + 7662.

Almost surely, 2^4509228 is an apocalyptic number.

It is an amenable number.

4509228 is an abundant number, since it is smaller than the sum of its proper divisors (6029496).

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

4509228 is an equidigital number, since it uses as much as digits as its factorization.

4509228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 4509228 is about 2123.4942900794. The cubic root of 4509228 is about 165.2091379273.

The spelling of 4509228 in words is "four million, five hundred nine thousand, two hundred twenty-eight".