168392227 has 2 divisors, whose sum is σ = 168392228. Its totient is φ = 168392226.

The previous prime is 168392209. The next prime is 168392249. The reversal of 168392227 is 722293861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168392227 - 2⁷ = 168392099 is a prime.

It is a super-2 number, since 2×168392227² = 56711884228039058, which contains 22 as substring.

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 168392227.

It is not a weakly prime, because it can be changed into another prime (168392297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84196113 + 84196114.

It is an arithmetic number, because the mean of its divisors is an integer number (84196114).

Almost surely, 2^168392227 is an apocalyptic number.

168392227 is a deficient number, since it is larger than the sum of its proper divisors (1).

168392227 is an equidigital number, since it uses as much as digits as its factorization.

168392227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 168392227 is about 12976.6030608939. The cubic root of 168392227 is about 552.2139160317.

The spelling of 168392227 in words is "one hundred sixty-eight million, three hundred ninety-two thousand, two hundred twenty-seven".