422297183026391 has 2 divisors, whose sum is σ = 422297183026392. Its totient is φ = 422297183026390.

The previous prime is 422297183026379. The next prime is 422297183026501. The reversal of 422297183026391 is 193620381792224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422297183026391 - 2²⁶ = 422297115917527 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422297183026391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422297183026331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211148591513195 + 211148591513196.

It is an arithmetic number, because the mean of its divisors is an integer number (211148591513196).

Almost surely, 2^{422297183026391} is an apocalyptic number.

422297183026391 is a deficient number, since it is larger than the sum of its proper divisors (1).

422297183026391 is an equidigital number, since it uses as much as digits as its factorization.

422297183026391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 422297183026391 in words is "four hundred twenty-two trillion, two hundred ninety-seven billion, one hundred eighty-three million, twenty-six thousand, three hundred ninety-one".