16889222 has 48 divisors (see below), whose sum is σ = 31518720. Its totient is φ = 6752592.

The previous prime is 16889221. The next prime is 16889251. The reversal of 16889222 is 22298861.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16889221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132923 + ... + 133049.

It is an arithmetic number, because the mean of its divisors is an integer number (656640).

Almost surely, 2^16889222 is an apocalyptic number.

16889222 is a deficient number, since it is larger than the sum of its proper divisors (14629498).

16889222 is a wasteful number, since it uses less digits than its factorization.

16889222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 218 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 16889222 is about 4109.6498634312. The cubic root of 16889222 is about 256.5684288878.

The spelling of 16889222 in words is "sixteen million, eight hundred eighty-nine thousand, two hundred twenty-two".