163205227 has 2 divisors, whose sum is σ = 163205228. Its totient is φ = 163205226.

The previous prime is 163205221. The next prime is 163205249. The reversal of 163205227 is 722502361.

163205227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163205227 - 2²³ = 154816619 is a prime.

It is a super-2 number, since 2×163205227² = 53271892240243058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 163205195 and 163205204.

It is not a weakly prime, because it can be changed into another prime (163205221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81602613 + 81602614.

It is an arithmetic number, because the mean of its divisors is an integer number (81602614).

Almost surely, 2^163205227 is an apocalyptic number.

163205227 is a deficient number, since it is larger than the sum of its proper divisors (1).

163205227 is an equidigital number, since it uses as much as digits as its factorization.

163205227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 163205227 is about 12775.1801161471. The cubic root of 163205227 is about 546.4847173991.

Adding to 163205227 its reverse (722502361), we get a palindrome (885707588).

The spelling of 163205227 in words is "one hundred sixty-three million, two hundred five thousand, two hundred twenty-seven".