16170227 has 2 divisors, whose sum is σ = 16170228. Its totient is φ = 16170226.

The previous prime is 16170223. The next prime is 16170233. The reversal of 16170227 is 72207161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16170227 - 2² = 16170223 is a prime.

It is a super-2 number, since 2×16170227² = 522952482463058, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 16170196 and 16170205.

It is not a weakly prime, because it can be changed into another prime (16170223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8085113 + 8085114.

It is an arithmetic number, because the mean of its divisors is an integer number (8085114).

Almost surely, 2^16170227 is an apocalyptic number.

16170227 is a deficient number, since it is larger than the sum of its proper divisors (1).

16170227 is an equidigital number, since it uses as much as digits as its factorization.

16170227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 16170227 is about 4021.2220779261. Note that the first 3 decimals coincide. The cubic root of 16170227 is about 252.8746951453.

Adding to 16170227 its reverse (72207161), we get a palindrome (88377388).

The spelling of 16170227 in words is "sixteen million, one hundred seventy thousand, two hundred twenty-seven".