422423213030321 has 4 divisors (see below), whose sum is σ = 422424924927012. Its totient is φ = 422421501133632.

The previous prime is 422423213030309. The next prime is 422423213030323. The reversal of 422423213030321 is 123030312324224.

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 260373368215921 + 162049844814400 = 16136089^2 + 12729880^2 .

It is a cyclic number.

It is not a de Polignac number, because 422423213030321 - 2¹⁴ = 422423213013937 is a prime.

It is a super-3 number, since 3×422423213030321³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422423213030323) 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, 855578156 + ... + 856071741.

It is an arithmetic number, because the mean of its divisors is an integer number (105606231231753).

Almost surely, 2^{422423213030321} is an apocalyptic number.

It is an amenable number.

422423213030321 is a deficient number, since it is larger than the sum of its proper divisors (1711896691).

422423213030321 is a wasteful number, since it uses less digits than its factorization.

422423213030321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711896690.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 422423213030321 its reverse (123030312324224), we get a palindrome (545453525354545).

The spelling of 422423213030321 in words is "four hundred twenty-two trillion, four hundred twenty-three billion, two hundred thirteen million, thirty thousand, three hundred twenty-one".