22120222223 has 4 divisors (see below), whose sum is σ = 24131151528. Its totient is φ = 20109292920.

The previous prime is 22120222211. The next prime is 22120222321. The reversal of 22120222223 is 32222202122.

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 22120222223 - 2¹⁰ = 22120221199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22120222195 and 22120222204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120224223) 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, 1005464636 + ... + 1005464657.

It is an arithmetic number, because the mean of its divisors is an integer number (6032787882).

Almost surely, 2^22120222223 is an apocalyptic number.

22120222223 is a deficient number, since it is larger than the sum of its proper divisors (2010929305).

22120222223 is a wasteful number, since it uses less digits than its factorization.

22120222223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010929304.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22120222223 its reverse (32222202122), we get a palindrome (54342424345).

The spelling of 22120222223 in words is "twenty-two billion, one hundred twenty million, two hundred twenty-two thousand, two hundred twenty-three".