229228 has 12 divisors (see below), whose sum is σ = 424872. Its totient is φ = 107840.

The previous prime is 229223. The next prime is 229237. The reversal of 229228 is 822922.

It is not an unprimeable number, because it can be changed into a prime (229223) by changing a digit.

229228 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1618 + ... + 1753.

It is an arithmetic number, because the mean of its divisors is an integer number (35406).

2²²⁹²²⁸ is an apocalyptic number.

It is an amenable number.

229228 is a deficient number, since it is larger than the sum of its proper divisors (195644).

229228 is a wasteful number, since it uses less digits than its factorization.

229228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392 (or 3390 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 229228 is about 478.7776101699. Note that the first 3 decimals coincide. The cubic root of 229228 is about 61.2006293811.

The spelling of 229228 in words is "two hundred twenty-nine thousand, two hundred twenty-eight".