201222163 has 2 divisors, whose sum is σ = 201222164. Its totient is φ = 201222162.

The previous prime is 201222121. The next prime is 201222173. The reversal of 201222163 is 361222102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201222163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201222163.

It is not a weakly prime, because it can be changed into another prime (201222173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100611081 + 100611082.

It is an arithmetic number, because the mean of its divisors is an integer number (100611082).

Almost surely, 2^201222163 is an apocalyptic number.

201222163 is a deficient number, since it is larger than the sum of its proper divisors (1).

201222163 is an equidigital number, since it uses as much as digits as its factorization.

201222163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 201222163 is about 14185.2797998489. The cubic root of 201222163 is about 585.9923381915.

Adding to 201222163 its reverse (361222102), we get a palindrome (562444265).

The spelling of 201222163 in words is "two hundred one million, two hundred twenty-two thousand, one hundred sixty-three".