422342011321 has 4 divisors (see below), whose sum is σ = 422343864612. Its totient is φ = 422340158032.

The previous prime is 422342011297. The next prime is 422342011379. The reversal of 422342011321 is 123110243224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 242620279225 + 179721732096 = 492565^2 + 423936^2 .

It is a cyclic number.

It is not a de Polignac number, because 422342011321 - 2¹⁷ = 422341880249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422342012321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527506 + ... + 1059691.

It is an arithmetic number, because the mean of its divisors is an integer number (105585966153).

Almost surely, 2^422342011321 is an apocalyptic number.

It is an amenable number.

422342011321 is a deficient number, since it is larger than the sum of its proper divisors (1853291).

422342011321 is a wasteful number, since it uses less digits than its factorization.

422342011321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853290.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 422342011321 its reverse (123110243224), we get a palindrome (545452254545).

The spelling of 422342011321 in words is "four hundred twenty-two billion, three hundred forty-two million, eleven thousand, three hundred twenty-one".