427228 has 18 divisors (see below), whose sum is σ = 780416. Its totient is φ = 204624.

The previous prime is 427213. The next prime is 427237. The reversal of 427228 is 822724.

It is a congruent number.

It is an unprimeable number.

427228 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3301 + ... + 3427.

2⁴²⁷²²⁸ is an apocalyptic number.

It is an amenable number.

427228 is a deficient number, since it is larger than the sum of its proper divisors (353188).

427228 is a wasteful number, since it uses less digits than its factorization.

427228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 158 counting only the distinct ones).

The product of its digits is 1792, while the sum is 25.

The square root of 427228 is about 653.6268048359. The cubic root of 427228 is about 75.3158825234.

The spelling of 427228 in words is "four hundred twenty-seven thousand, two hundred twenty-eight".