16427227 has 2 divisors, whose sum is σ = 16427228. Its totient is φ = 16427226.

The previous prime is 16427209. The next prime is 16427233. The reversal of 16427227 is 72272461.

It is a strong prime.

It is an emirp because it is prime and its reverse (72272461) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16427227 is a prime.

It is not a weakly prime, because it can be changed into another prime (16427237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8213613 + 8213614.

It is an arithmetic number, because the mean of its divisors is an integer number (8213614).

Almost surely, 2^16427227 is an apocalyptic number.

16427227 is a deficient number, since it is larger than the sum of its proper divisors (1).

16427227 is an equidigital number, since it uses as much as digits as its factorization.

16427227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408, while the sum is 31.

The square root of 16427227 is about 4053.0515664126. The cubic root of 16427227 is about 254.2073399509.

Adding to 16427227 its reverse (72272461), we get a palindrome (88699688).

It can be divided in two parts, 164272 and 27, that multiplied together give a palindrome (4435344).

The spelling of 16427227 in words is "sixteen million, four hundred twenty-seven thousand, two hundred twenty-seven".