16805224 has 16 divisors (see below), whose sum is σ = 32526720. Its totient is φ = 8131440.

The previous prime is 16805221. The next prime is 16805251. The reversal of 16805224 is 42250861.

It is a junction number, because it is equal to n+sod(n) for n = 16805192 and 16805201.

It is not an unprimeable number, because it can be changed into a prime (16805221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33634 + ... + 34129.

It is an arithmetic number, because the mean of its divisors is an integer number (2032920).

Almost surely, 2^16805224 is an apocalyptic number.

It is an amenable number.

16805224 is a deficient number, since it is larger than the sum of its proper divisors (15721496).

16805224 is a wasteful number, since it uses less digits than its factorization.

16805224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67800 (or 67796 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 16805224 is about 4099.4175195996. The cubic root of 16805224 is about 256.1423768558.

The spelling of 16805224 in words is "sixteen million, eight hundred five thousand, two hundred twenty-four".