422323525323197 has 2 divisors, whose sum is σ = 422323525323198. Its totient is φ = 422323525323196.

The previous prime is 422323525323149. The next prime is 422323525323289. The reversal of 422323525323197 is 791323525323224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 334664984410201 + 87658540912996 = 18293851^2 + 9362614^2 .

It is a cyclic number.

It is not a de Polignac number, because 422323525323197 - 2²² = 422323521128893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422323525323137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211161762661598 + 211161762661599.

It is an arithmetic number, because the mean of its divisors is an integer number (211161762661599).

Almost surely, 2^{422323525323197} is an apocalyptic number.

It is an amenable number.

422323525323197 is a deficient number, since it is larger than the sum of its proper divisors (1).

422323525323197 is an equidigital number, since it uses as much as digits as its factorization.

422323525323197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16329600, while the sum is 53.

The spelling of 422323525323197 in words is "four hundred twenty-two trillion, three hundred twenty-three billion, five hundred twenty-five million, three hundred twenty-three thousand, one hundred ninety-seven".