422406203 has 2 divisors, whose sum is σ = 422406204. Its totient is φ = 422406202.

The previous prime is 422406197. The next prime is 422406263. The reversal of 422406203 is 302604224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422406203 - 2⁸ = 422405947 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (422406263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211203101 + 211203102.

It is an arithmetic number, because the mean of its divisors is an integer number (211203102).

Almost surely, 2^422406203 is an apocalyptic number.

422406203 is a deficient number, since it is larger than the sum of its proper divisors (1).

422406203 is an equidigital number, since it uses as much as digits as its factorization.

422406203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 422406203 is about 20552.5230324649. The cubic root of 422406203 is about 750.3146549342.

The spelling of 422406203 in words is "four hundred twenty-two million, four hundred six thousand, two hundred three".