16822228 has 12 divisors (see below), whose sum is σ = 29572480. Its totient is φ = 8372952.

The previous prime is 16822217. The next prime is 16822229. The reversal of 16822228 is 82222861.

It is a self number, because there is not a number n which added to its sum of digits gives 16822228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16822229) by changing a digit.

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, 8538 + ... + 10321.

Almost surely, 2^16822228 is an apocalyptic number.

It is an amenable number.

16822228 is a deficient number, since it is larger than the sum of its proper divisors (12750252).

16822228 is a wasteful number, since it uses less digits than its factorization.

16822228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19086 (or 19084 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

The square root of 16822228 is about 4101.4909484235. The cubic root of 16822228 is about 256.2287384303.

The spelling of 16822228 in words is "sixteen million, eight hundred twenty-two thousand, two hundred twenty-eight".