16685422 has 8 divisors (see below), whose sum is σ = 26953416. Its totient is φ = 7700952.

The previous prime is 16685413. The next prime is 16685437. The reversal of 16685422 is 22458661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320848 + ... + 320899.

It is an arithmetic number, because the mean of its divisors is an integer number (3369177).

Almost surely, 2^16685422 is an apocalyptic number.

16685422 is a deficient number, since it is larger than the sum of its proper divisors (10267994).

16685422 is a wasteful number, since it uses less digits than its factorization.

16685422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641762.

The product of its digits is 23040, while the sum is 34.

The square root of 16685422 is about 4084.7793086041. The cubic root of 16685422 is about 255.5322574714.

The spelling of 16685422 in words is "sixteen million, six hundred eighty-five thousand, four hundred twenty-two".