16971422 has 8 divisors (see below), whose sum is σ = 27415416. Its totient is φ = 7832952.

The previous prime is 16971421. The next prime is 16971431. The reversal of 16971422 is 22417961.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16971421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326348 + ... + 326399.

It is an arithmetic number, because the mean of its divisors is an integer number (3426927).

Almost surely, 2^16971422 is an apocalyptic number.

16971422 is a deficient number, since it is larger than the sum of its proper divisors (10443994).

16971422 is a wasteful number, since it uses less digits than its factorization.

16971422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652762.

The product of its digits is 6048, while the sum is 32.

The square root of 16971422 is about 4119.6385763802. The cubic root of 16971422 is about 256.9839957331.

The spelling of 16971422 in words is "sixteen million, nine hundred seventy-one thousand, four hundred twenty-two".