224228 has 12 divisors (see below), whose sum is σ = 406140. Its totient is φ = 108192.

The previous prime is 224221. The next prime is 224233. The reversal of 224228 is 822422.

224228 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 135424 + 88804 = 368^2 + 298^2 .

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (224221) by changing a digit.

224228 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851 + ... + 1082.

It is an arithmetic number, because the mean of its divisors is an integer number (33845).

2²²⁴²²⁸ is an apocalyptic number.

It is an amenable number.

224228 is a deficient number, since it is larger than the sum of its proper divisors (181912).

224228 is a wasteful number, since it uses less digits than its factorization.

224228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966 (or 1964 counting only the distinct ones).

The product of its digits is 512, while the sum is 20.

The square root of 224228 is about 473.5271903492. The cubic root of 224228 is about 60.7523778755.

The spelling of 224228 in words is "two hundred twenty-four thousand, two hundred twenty-eight".