303228 has 18 divisors (see below), whose sum is σ = 766584. Its totient is φ = 101064.

The previous prime is 303217. The next prime is 303257. The reversal of 303228 is 822303.

303228 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 303228.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 303228.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4176 + ... + 4247.

It is an arithmetic number, because the mean of its divisors is an integer number (42588).

2³⁰³²²⁸ is an apocalyptic number.

It is an amenable number.

303228 is an abundant number, since it is smaller than the sum of its proper divisors (463356).

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

303228 is a wasteful number, since it uses less digits than its factorization.

303228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8433 (or 8428 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 303228 is about 550.6614204754. The cubic root of 303228 is about 67.1825422338.

The spelling of 303228 in words is "three hundred three thousand, two hundred twenty-eight".