226228 has 12 divisors (see below), whose sum is σ = 413280. Its totient is φ = 108152.

The previous prime is 226217. The next prime is 226231. The reversal of 226228 is 822622.

It is a junction number, because it is equal to n+sod(n) for n = 226199 and 226208.

It is a congruent number.

It is an unprimeable 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, 1138 + ... + 1321.

It is an arithmetic number, because the mean of its divisors is an integer number (34440).

2²²⁶²²⁸ is an apocalyptic number.

It is an amenable number.

226228 is a deficient number, since it is larger than the sum of its proper divisors (187052).

226228 is a wasteful number, since it uses less digits than its factorization.

226228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486 (or 2484 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 226228 is about 475.6343133122. The cubic root of 226228 is about 60.9324702840.

It can be divided in two parts, 2262 and 28, that multiplied together give a palindrome (63336).

The spelling of 226228 in words is "two hundred twenty-six thousand, two hundred twenty-eight".