22212342223 has 4 divisors (see below), whose sum is σ = 22479960888. Its totient is φ = 21944723560.

The previous prime is 22212342221. The next prime is 22212342227. The reversal of 22212342223 is 32224321222.

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 22212342223 - 2¹ = 22212342221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212342221) 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, 133809208 + ... + 133809373.

It is an arithmetic number, because the mean of its divisors is an integer number (5619990222).

Almost surely, 2^22212342223 is an apocalyptic number.

22212342223 is a deficient number, since it is larger than the sum of its proper divisors (267618665).

22212342223 is an equidigital number, since it uses as much as digits as its factorization.

22212342223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267618664.

The product of its digits is 4608, while the sum is 25.

Adding to 22212342223 its reverse (32224321222), we get a palindrome (54436663445).

The spelling of 22212342223 in words is "twenty-two billion, two hundred twelve million, three hundred forty-two thousand, two hundred twenty-three".