422203013 has 2 divisors, whose sum is σ = 422203014. Its totient is φ = 422203012.

The previous prime is 422203003. The next prime is 422203037. The reversal of 422203013 is 310302224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 411562369 + 10640644 = 20287^2 + 3262^2 .

It is a cyclic number.

It is not a de Polignac number, because 422203013 - 2²⁶ = 355094149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422202982 and 422203000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422203003) 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, 211101506 + 211101507.

It is an arithmetic number, because the mean of its divisors is an integer number (211101507).

Almost surely, 2^422203013 is an apocalyptic number.

It is an amenable number.

422203013 is a deficient number, since it is larger than the sum of its proper divisors (1).

422203013 is an equidigital number, since it uses as much as digits as its factorization.

422203013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 422203013 is about 20547.5792491476. The cubic root of 422203013 is about 750.1943277187.

Adding to 422203013 its reverse (310302224), we get a palindrome (732505237).

The spelling of 422203013 in words is "four hundred twenty-two million, two hundred three thousand, thirteen".