478228 has 6 divisors (see below), whose sum is σ = 836906. Its totient is φ = 239112.

The previous prime is 478213. The next prime is 478241. The reversal of 478228 is 822874.

It can be written as a sum of positive squares in only one way, i.e., 374544 + 103684 = 612^2 + 322^2 .

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 478228.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59775 + ... + 59782.

2⁴⁷⁸²²⁸ is an apocalyptic number.

It is an amenable number.

478228 is a deficient number, since it is larger than the sum of its proper divisors (358678).

478228 is a wasteful number, since it uses less digits than its factorization.

478228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119561 (or 119559 counting only the distinct ones).

The product of its digits is 7168, while the sum is 31.

The square root of 478228 is about 691.5403097434. The cubic root of 478228 is about 78.2008847740.

The spelling of 478228 in words is "four hundred seventy-eight thousand, two hundred twenty-eight".