422344140437 has 2 divisors, whose sum is σ = 422344140438. Its totient is φ = 422344140436.

The previous prime is 422344140397. The next prime is 422344140469. The reversal of 422344140437 is 734041443224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 290225703076 + 132118437361 = 538726^2 + 363481^2 .

It is a cyclic number.

It is not a de Polignac number, because 422344140437 - 2⁸ = 422344140181 is a prime.

It is a super-2 number, since 2×422344140437² (a number of 24 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 422344140437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422344140137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211172070218 + 211172070219.

It is an arithmetic number, because the mean of its divisors is an integer number (211172070219).

Almost surely, 2^422344140437 is an apocalyptic number.

It is an amenable number.

422344140437 is a deficient number, since it is larger than the sum of its proper divisors (1).

422344140437 is an equidigital number, since it uses as much as digits as its factorization.

422344140437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 38.

The spelling of 422344140437 in words is "four hundred twenty-two billion, three hundred forty-four million, one hundred forty thousand, four hundred thirty-seven".