16397322 has 16 divisors (see below), whose sum is σ = 33102432. Its totient is φ = 5414480.

The previous prime is 16397287. The next prime is 16397341. The reversal of 16397322 is 22379361.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12129 + ... + 13412.

It is an arithmetic number, because the mean of its divisors is an integer number (2068902).

Almost surely, 2^16397322 is an apocalyptic number.

16397322 is an abundant number, since it is smaller than the sum of its proper divisors (16705110).

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

16397322 is a wasteful number, since it uses less digits than its factorization.

16397322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25653.

The product of its digits is 13608, while the sum is 33.

The square root of 16397322 is about 4049.3606902819. The cubic root of 16397322 is about 254.0529887176.

The spelling of 16397322 in words is "sixteen million, three hundred ninety-seven thousand, three hundred twenty-two".