22221211323 has 8 divisors (see below), whose sum is σ = 30429046288. Its totient is φ = 14413758624.

The previous prime is 22221211291. The next prime is 22221211349. The reversal of 22221211323 is 32311212222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22221211323 - 2⁵ = 22221211291 is a prime.

It is a super-2 number, since 2×22221211323² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22221211323.

It is not an unprimeable number, because it can be changed into a prime (22221211423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100095436 + ... + 100095657.

It is an arithmetic number, because the mean of its divisors is an integer number (3803630786).

Almost surely, 2^22221211323 is an apocalyptic number.

22221211323 is a deficient number, since it is larger than the sum of its proper divisors (8207834965).

22221211323 is a wasteful number, since it uses less digits than its factorization.

22221211323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200191133.

The product of its digits is 576, while the sum is 21.

Adding to 22221211323 its reverse (32311212222), we get a palindrome (54532423545).

The spelling of 22221211323 in words is "twenty-two billion, two hundred twenty-one million, two hundred eleven thousand, three hundred twenty-three".