422369797 has 2 divisors, whose sum is σ = 422369798. Its totient is φ = 422369796.

The previous prime is 422369749. The next prime is 422369813. The reversal of 422369797 is 797963224.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 405055876 + 17313921 = 20126^2 + 4161^2 .

It is a cyclic number.

It is not a de Polignac number, because 422369797 - 2⁷ = 422369669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422369797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422369707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211184898 + 211184899.

It is an arithmetic number, because the mean of its divisors is an integer number (211184899).

Almost surely, 2^422369797 is an apocalyptic number.

It is an amenable number.

422369797 is a deficient number, since it is larger than the sum of its proper divisors (1).

422369797 is an equidigital number, since it uses as much as digits as its factorization.

422369797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 49.

The square root of 422369797 is about 20551.6373313661. The cubic root of 422369797 is about 750.2930984798.

The spelling of 422369797 in words is "four hundred twenty-two million, three hundred sixty-nine thousand, seven hundred ninety-seven".