22123043422 has 8 divisors (see below), whose sum is σ = 34255035072. Its totient is φ = 10704698400.

The previous prime is 22123043413. The next prime is 22123043429. The reversal of 22123043422 is 22434032122.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22123043429) 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, 178411579 + ... + 178411702.

It is an arithmetic number, because the mean of its divisors is an integer number (4281879384).

Almost surely, 2^22123043422 is an apocalyptic number.

22123043422 is a deficient number, since it is larger than the sum of its proper divisors (12131991650).

22123043422 is a wasteful number, since it uses less digits than its factorization.

22123043422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356823314.

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

Adding to 22123043422 its reverse (22434032122), we get a palindrome (44557075544).

The spelling of 22123043422 in words is "twenty-two billion, one hundred twenty-three million, forty-three thousand, four hundred twenty-two".