16992222 has 16 divisors (see below), whose sum is σ = 36598800. Its totient is φ = 5228352.

The previous prime is 16992203. The next prime is 16992223. The reversal of 16992222 is 22229961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16992223) 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 7 ways as a sum of consecutive naturals, for example, 108847 + ... + 109002.

It is an arithmetic number, because the mean of its divisors is an integer number (2287425).

Almost surely, 2^16992222 is an apocalyptic number.

16992222 is an abundant number, since it is smaller than the sum of its proper divisors (19606578).

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

16992222 is a wasteful number, since it uses less digits than its factorization.

16992222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217867.

The product of its digits is 7776, while the sum is 33.

The square root of 16992222 is about 4122.1622966594. The cubic root of 16992222 is about 257.0889385186.

The spelling of 16992222 in words is "sixteen million, nine hundred ninety-two thousand, two hundred twenty-two".