22223320321 has 4 divisors (see below), whose sum is σ = 22224862144. Its totient is φ = 22221778500.

The previous prime is 22223320319. The next prime is 22223320411. The reversal of 22223320321 is 12302332222.

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 22223320321 - 2¹ = 22223320319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22223320292 and 22223320301.

It is not an unprimeable number, because it can be changed into a prime (22223320921) 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, 749085 + ... + 778186.

It is an arithmetic number, because the mean of its divisors is an integer number (5556215536).

Almost surely, 2^22223320321 is an apocalyptic number.

It is an amenable number.

22223320321 is a deficient number, since it is larger than the sum of its proper divisors (1541823).

22223320321 is a wasteful number, since it uses less digits than its factorization.

22223320321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541822.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 22223320321 its reverse (12302332222), we get a palindrome (34525652543).

The spelling of 22223320321 in words is "twenty-two billion, two hundred twenty-three million, three hundred twenty thousand, three hundred twenty-one".