203222113 has 2 divisors, whose sum is σ = 203222114. Its totient is φ = 203222112.

The previous prime is 203222099. The next prime is 203222141. The reversal of 203222113 is 311222302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167365969 + 35856144 = 12937^2 + 5988^2 .

It is a cyclic number.

It is not a de Polignac number, because 203222113 - 2¹⁷ = 203091041 is a prime.

It is not a weakly prime, because it can be changed into another prime (203222153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101611056 + 101611057.

It is an arithmetic number, because the mean of its divisors is an integer number (101611057).

Almost surely, 2^203222113 is an apocalyptic number.

It is an amenable number.

203222113 is a deficient number, since it is larger than the sum of its proper divisors (1).

203222113 is an equidigital number, since it uses as much as digits as its factorization.

203222113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 203222113 is about 14255.5993560425. The cubic root of 203222113 is about 587.9273370727.

Adding to 203222113 its reverse (311222302), we get a palindrome (514444415).

The spelling of 203222113 in words is "two hundred three million, two hundred twenty-two thousand, one hundred thirteen".