477228 has 12 divisors (see below), whose sum is σ = 1113560. Its totient is φ = 159072.

The previous prime is 477221. The next prime is 477229. The reversal of 477228 is 822774.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 477195 and 477204.

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 477228.

It is not an unprimeable number, because it can be changed into a prime (477221) by changing a digit.

477228 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 3 ways as a sum of consecutive naturals, for example, 19873 + ... + 19896.

2⁴⁷⁷²²⁸ is an apocalyptic number.

It is an amenable number.

477228 is an abundant number, since it is smaller than the sum of its proper divisors (636332).

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

477228 is a wasteful number, since it uses less digits than its factorization.

477228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39776 (or 39774 counting only the distinct ones).

The product of its digits is 6272, while the sum is 30.

The square root of 477228 is about 690.8169077259. The cubic root of 477228 is about 78.1463393441.

The spelling of 477228 in words is "four hundred seventy-seven thousand, two hundred twenty-eight".