16228 has 6 divisors (see below), whose sum is σ = 28406. Its totient is φ = 8112.

The previous prime is 16223. The next prime is 16229. The reversal of 16228 is 82261.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13924 + 2304 = 118^2 + 48^2 .

It is not an unprimeable number, because it can be changed into a prime (16223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2025 + ... + 2032.

2¹⁶²²⁸ is an apocalyptic number.

It is an amenable number.

16228 is a deficient number, since it is larger than the sum of its proper divisors (12178).

16228 is a wasteful number, since it uses less digits than its factorization.

16228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061 (or 4059 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 16228 is about 127.3891675144. The cubic root of 16228 is about 25.3175494169.

Adding to 16228 its reverse (82261), we get a palindrome (98489).

It can be divided in two parts, 162 and 28, that added together give a triangular number (190 = T₁₉).

The spelling of 16228 in words is "sixteen thousand, two hundred twenty-eight".