22224444423 has 4 divisors (see below), whose sum is σ = 29632592568. Its totient is φ = 14816296280.

The previous prime is 22224444413. The next prime is 22224444467. The reversal of 22224444423 is 32444442222.

It is a happy number.

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 22224444423 - 2⁸ = 22224444167 is a prime.

It is a super-2 number, since 2×22224444423² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22224444413) 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, 3704074068 + ... + 3704074073.

It is an arithmetic number, because the mean of its divisors is an integer number (7408148142).

Almost surely, 2^22224444423 is an apocalyptic number.

22224444423 is a deficient number, since it is larger than the sum of its proper divisors (7408148145).

22224444423 is an equidigital number, since it uses as much as digits as its factorization.

22224444423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7408148144.

The product of its digits is 98304, while the sum is 33.

Adding to 22224444423 its reverse (32444442222), we get a palindrome (54668886645).

The spelling of 22224444423 in words is "twenty-two billion, two hundred twenty-four million, four hundred forty-four thousand, four hundred twenty-three".