16946224 has 20 divisors (see below), whose sum is σ = 32904144. Its totient is φ = 8454848.

The previous prime is 16946221. The next prime is 16946249. The reversal of 16946224 is 42264961.

It is a self number, because there is not a number n which added to its sum of digits gives 16946224.

It is not an unprimeable number, because it can be changed into a prime (16946221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9534 + ... + 11170.

Almost surely, 2^16946224 is an apocalyptic number.

It is an amenable number.

16946224 is a deficient number, since it is larger than the sum of its proper divisors (15957920).

16946224 is a wasteful number, since it uses less digits than its factorization.

16946224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292 (or 2286 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 16946224 is about 4116.5791623628. The cubic root of 16946224 is about 256.8567486830.

The spelling of 16946224 in words is "sixteen million, nine hundred forty-six thousand, two hundred twenty-four".