422603197 has 2 divisors, whose sum is σ = 422603198. Its totient is φ = 422603196.

The previous prime is 422603177. The next prime is 422603213. The reversal of 422603197 is 791306224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 405579321 + 17023876 = 20139^2 + 4126^2 .

It is a cyclic number.

It is not a de Polignac number, because 422603197 - 2¹⁵ = 422570429 is a prime.

It is a super-2 number, since 2×422603197² = 357186924229241618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422603107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211301598 + 211301599.

It is an arithmetic number, because the mean of its divisors is an integer number (211301599).

Almost surely, 2^422603197 is an apocalyptic number.

It is an amenable number.

422603197 is a deficient number, since it is larger than the sum of its proper divisors (1).

422603197 is an equidigital number, since it uses as much as digits as its factorization.

422603197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 422603197 is about 20557.3149268089. The cubic root of 422603197 is about 750.4312761018.

The spelling of 422603197 in words is "four hundred twenty-two million, six hundred three thousand, one hundred ninety-seven".