424228 has 24 divisors (see below), whose sum is σ = 862400. Its totient is φ = 178848.

The previous prime is 424223. The next prime is 424231. The reversal of 424228 is 822424.

It is a junction number, because it is equal to n+sod(n) for n = 424199 and 424208.

It is not an unprimeable number, because it can be changed into a prime (424223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2983 + ... + 3121.

2⁴²⁴²²⁸ is an apocalyptic number.

It is an amenable number.

424228 is an abundant number, since it is smaller than the sum of its proper divisors (438172).

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

424228 is a wasteful number, since it uses less digits than its factorization.

424228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 257 counting only the distinct ones).

The product of its digits is 1024, while the sum is 22.

The square root of 424228 is about 651.3278744227. The cubic root of 424228 is about 75.1391786015.

The spelling of 424228 in words is "four hundred twenty-four thousand, two hundred twenty-eight".