422051045403173 has 2 divisors, whose sum is σ = 422051045403174. Its totient is φ = 422051045403172.

The previous prime is 422051045403133. The next prime is 422051045403179. The reversal of 422051045403173 is 371304540150224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 417948058913284 + 4102986489889 = 20443778^2 + 2025583^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422051045403173 is a prime.

It is a super-2 number, since 2×422051045403173² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 422051045403173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422051045403179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211025522701586 + 211025522701587.

It is an arithmetic number, because the mean of its divisors is an integer number (211025522701587).

Almost surely, 2^{422051045403173} is an apocalyptic number.

It is an amenable number.

422051045403173 is a deficient number, since it is larger than the sum of its proper divisors (1).

422051045403173 is an equidigital number, since it uses as much as digits as its factorization.

422051045403173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 41.

Adding to 422051045403173 its reverse (371304540150224), we get a palindrome (793355585553397).

The spelling of 422051045403173 in words is "four hundred twenty-two trillion, fifty-one billion, forty-five million, four hundred three thousand, one hundred seventy-three".