422936593 has 2 divisors, whose sum is σ = 422936594. Its totient is φ = 422936592.

The previous prime is 422936567. The next prime is 422936621. The reversal of 422936593 is 395639224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 387617344 + 35319249 = 19688^2 + 5943^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422936593 is a prime.

It is not a weakly prime, because it can be changed into another prime (422936893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211468296 + 211468297.

It is an arithmetic number, because the mean of its divisors is an integer number (211468297).

Almost surely, 2^422936593 is an apocalyptic number.

It is an amenable number.

422936593 is a deficient number, since it is larger than the sum of its proper divisors (1).

422936593 is an equidigital number, since it uses as much as digits as its factorization.

422936593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 43.

The square root of 422936593 is about 20565.4222665133. The cubic root of 422936593 is about 750.6285652087.

The spelling of 422936593 in words is "four hundred twenty-two million, nine hundred thirty-six thousand, five hundred ninety-three".