422693203 has 2 divisors, whose sum is σ = 422693204. Its totient is φ = 422693202.

The previous prime is 422693197. The next prime is 422693207. The reversal of 422693203 is 302396224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422693203 is a prime.

It is not a weakly prime, because it can be changed into another prime (422693207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211346601 + 211346602.

It is an arithmetic number, because the mean of its divisors is an integer number (211346602).

Almost surely, 2^422693203 is an apocalyptic number.

422693203 is a deficient number, since it is larger than the sum of its proper divisors (1).

422693203 is an equidigital number, since it uses as much as digits as its factorization.

422693203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 422693203 is about 20559.5039580239. The cubic root of 422693203 is about 750.4845479207.

The spelling of 422693203 in words is "four hundred twenty-two million, six hundred ninety-three thousand, two hundred three".