422321244181 has 2 divisors, whose sum is σ = 422321244182. Its totient is φ = 422321244180.

The previous prime is 422321244097. The next prime is 422321244187. The reversal of 422321244181 is 181442123224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 395944236081 + 26377008100 = 629241^2 + 162410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422321244181 is a prime.

It is a super-2 number, since 2×422321244181² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422321244187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211160622090 + 211160622091.

It is an arithmetic number, because the mean of its divisors is an integer number (211160622091).

Almost surely, 2^422321244181 is an apocalyptic number.

It is an amenable number.

422321244181 is a deficient number, since it is larger than the sum of its proper divisors (1).

422321244181 is an equidigital number, since it uses as much as digits as its factorization.

422321244181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24576, while the sum is 34.

The spelling of 422321244181 in words is "four hundred twenty-two billion, three hundred twenty-one million, two hundred forty-four thousand, one hundred eighty-one".