16706222 has 8 divisors (see below), whose sum is σ = 26987016. Its totient is φ = 7710552.

The previous prime is 16706177. The next prime is 16706243. The reversal of 16706222 is 22260761.

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 642547 = 16706222 / (1 + 6 + 7 + 0 + 6 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 16706191 and 16706200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321248 + ... + 321299.

It is an arithmetic number, because the mean of its divisors is an integer number (3373377).

Almost surely, 2^16706222 is an apocalyptic number.

16706222 is a deficient number, since it is larger than the sum of its proper divisors (10280794).

16706222 is a wasteful number, since it uses less digits than its factorization.

16706222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642562.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 16706222 is about 4087.3245528096. The cubic root of 16706222 is about 255.6383953103.

Adding to 16706222 its reverse (22260761), we get a palindrome (38966983).

The spelling of 16706222 in words is "sixteen million, seven hundred six thousand, two hundred twenty-two".