16947227 has 16 divisors (see below), whose sum is σ = 19323360. Its totient is φ = 14726400.

The previous prime is 16947209. The next prime is 16947233. The reversal of 16947227 is 72274961.

It is a cyclic number.

It is not a de Polignac number, because 16947227 - 2⁶ = 16947163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16947257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23549 + ... + 24257.

It is an arithmetic number, because the mean of its divisors is an integer number (1207710).

Almost surely, 2^16947227 is an apocalyptic number.

16947227 is a deficient number, since it is larger than the sum of its proper divisors (2376133).

16947227 is a wasteful number, since it uses less digits than its factorization.

16947227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814.

The product of its digits is 42336, while the sum is 38.

The square root of 16947227 is about 4116.7009850121. The cubic root of 16947227 is about 256.8618161292.

The spelling of 16947227 in words is "sixteen million, nine hundred forty-seven thousand, two hundred twenty-seven".