16197222 has 16 divisors (see below), whose sum is σ = 32512320. Its totient is φ = 5379432.

The previous prime is 16197193. The next prime is 16197229. The reversal of 16197222 is 22279161.

It is a self number, because there is not a number n which added to its sum of digits gives 16197222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16197229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3072 + ... + 6467.

It is an arithmetic number, because the mean of its divisors is an integer number (2032020).

Almost surely, 2^16197222 is an apocalyptic number.

16197222 is an abundant number, since it is smaller than the sum of its proper divisors (16315098).

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

16197222 is a wasteful number, since it uses less digits than its factorization.

16197222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9827.

The product of its digits is 3024, while the sum is 30.

The square root of 16197222 is about 4024.5772448793. The cubic root of 16197222 is about 253.0153354554.

The spelling of 16197222 in words is "sixteen million, one hundred ninety-seven thousand, two hundred twenty-two".