16533227 has 2 divisors, whose sum is σ = 16533228. Its totient is φ = 16533226.

The previous prime is 16533221. The next prime is 16533271. The reversal of 16533227 is 72233561.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16533227 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16533227.

It is not a weakly prime, because it can be changed into another prime (16533221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8266613 + 8266614.

It is an arithmetic number, because the mean of its divisors is an integer number (8266614).

Almost surely, 2^16533227 is an apocalyptic number.

16533227 is a deficient number, since it is larger than the sum of its proper divisors (1).

16533227 is an equidigital number, since it uses as much as digits as its factorization.

16533227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 29.

The square root of 16533227 is about 4066.1071063119. The cubic root of 16533227 is about 254.7529428250.

Adding to 16533227 its reverse (72233561), we get a palindrome (88766788).

The spelling of 16533227 in words is "sixteen million, five hundred thirty-three thousand, two hundred twenty-seven".