16973226 has 20 divisors (see below), whose sum is σ = 38032962. Its totient is φ = 5657688.

The previous prime is 16973183. The next prime is 16973227. The reversal of 16973226 is 62237961.

It can be written as a sum of positive squares in only one way, i.e., 10208025 + 6765201 = 3195^2 + 2601^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16973227) 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 9 ways as a sum of consecutive naturals, for example, 52225 + ... + 52548.

Almost surely, 2^16973226 is an apocalyptic number.

16973226 is an abundant number, since it is smaller than the sum of its proper divisors (21059736).

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

16973226 is a wasteful number, since it uses less digits than its factorization.

16973226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104787 (or 104778 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 16973226 is about 4119.8575218082. The cubic root of 16973226 is about 256.9931008963.

The spelling of 16973226 in words is "sixteen million, nine hundred seventy-three thousand, two hundred twenty-six".