22340404321 has 4 divisors (see below), whose sum is σ = 23311726272. Its totient is φ = 21369082372.

The previous prime is 22340404319. The next prime is 22340404363. The reversal of 22340404321 is 12340404322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22340404321 - 2¹ = 22340404319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22340404621) 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, 485660941 + ... + 485660986.

It is an arithmetic number, because the mean of its divisors is an integer number (5827931568).

Almost surely, 2^22340404321 is an apocalyptic number.

It is an amenable number.

22340404321 is a deficient number, since it is larger than the sum of its proper divisors (971321951).

22340404321 is an equidigital number, since it uses as much as digits as its factorization.

22340404321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971321950.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22340404321 its reverse (12340404322), we get a palindrome (34680808643).

Subtracting from 22340404321 its reverse (12340404322), we obtain a palindrome (9999999999).

The spelling of 22340404321 in words is "twenty-two billion, three hundred forty million, four hundred four thousand, three hundred twenty-one".