16797222 has 48 divisors (see below), whose sum is σ = 40910688. Its totient is φ = 4942080.

The previous prime is 16797169. The next prime is 16797233. The reversal of 16797222 is 22279761.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3822 + ... + 6942.

It is an arithmetic number, because the mean of its divisors is an integer number (852306).

Almost surely, 2^16797222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16797222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20455344).

16797222 is an abundant number, since it is smaller than the sum of its proper divisors (24113466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16797222 is a wasteful number, since it uses less digits than its factorization.

16797222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165 (or 3162 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 16797222 is about 4098.4414110732. The cubic root of 16797222 is about 256.1017153585.

The spelling of 16797222 in words is "sixteen million, seven hundred ninety-seven thousand, two hundred twenty-two".