22323113221 has 4 divisors (see below), whose sum is σ = 22323855744. Its totient is φ = 22322370700.

The previous prime is 22323113191. The next prime is 22323113227. The reversal of 22323113221 is 12231132322.

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 22323113221 - 2¹³ = 22323105029 is a prime.

It is a super-3 number, since 3×22323113221³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22323113192 and 22323113201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22323113227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324175 + ... + 386956.

It is an arithmetic number, because the mean of its divisors is an integer number (5580963936).

Almost surely, 2^22323113221 is an apocalyptic number.

It is an amenable number.

22323113221 is a deficient number, since it is larger than the sum of its proper divisors (742523).

22323113221 is an equidigital number, since it uses as much as digits as its factorization.

22323113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742522.

The product of its digits is 864, while the sum is 22.

Adding to 22323113221 its reverse (12231132322), we get a palindrome (34554245543).

The spelling of 22323113221 in words is "twenty-two billion, three hundred twenty-three million, one hundred thirteen thousand, two hundred twenty-one".