422321340221231 has 128 divisors (see below), whose sum is σ = 484360159795200. Its totient is φ = 364955673600000.

The previous prime is 422321340221149. The next prime is 422321340221251. The reversal of 422321340221231 is 132122043123224.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422321340221231 is a prime.

It is a super-2 number, since 2×422321340221231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422321340221251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 459544439390 + ... + 459544440308.

It is an arithmetic number, because the mean of its divisors is an integer number (3784063748400).

Almost surely, 2^{422321340221231} is an apocalyptic number.

422321340221231 is a deficient number, since it is larger than the sum of its proper divisors (62038819573969).

422321340221231 is a wasteful number, since it uses less digits than its factorization.

422321340221231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 422321340221231 its reverse (132122043123224), we get a palindrome (554443383344455).

It can be divided in two parts, 4223213 and 40221231, that added together give a palindrome (44444444).

The spelling of 422321340221231 in words is "four hundred twenty-two trillion, three hundred twenty-one billion, three hundred forty million, two hundred twenty-one thousand, two hundred thirty-one".