22221123323 has 4 divisors (see below), whose sum is σ = 25395569520. Its totient is φ = 19046677128.

The previous prime is 22221123251. The next prime is 22221123329. The reversal of 22221123323 is 32332112222.

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

It is a cyclic number.

It is not a de Polignac number, because 22221123323 - 2¹⁰ = 22221122299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221123329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1587223088 + ... + 1587223101.

It is an arithmetic number, because the mean of its divisors is an integer number (6348892380).

Almost surely, 2^22221123323 is an apocalyptic number.

22221123323 is a deficient number, since it is larger than the sum of its proper divisors (3174446197).

22221123323 is an equidigital number, since it uses as much as digits as its factorization.

22221123323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174446196.

The product of its digits is 1728, while the sum is 23.

Adding to 22221123323 its reverse (32332112222), we get a palindrome (54553235545).

The spelling of 22221123323 in words is "twenty-two billion, two hundred twenty-one million, one hundred twenty-three thousand, three hundred twenty-three".