22222144123 has 2 divisors, whose sum is σ = 22222144124. Its totient is φ = 22222144122.

The previous prime is 22222144121. The next prime is 22222144141. The reversal of 22222144123 is 32144122222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22222144123 - 2¹ = 22222144121 is a prime.

Together with 22222144121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22222144121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111072061 + 11111072062.

It is an arithmetic number, because the mean of its divisors is an integer number (11111072062).

Almost surely, 2^22222144123 is an apocalyptic number.

22222144123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222144123 is an equidigital number, since it uses as much as digits as its factorization.

22222144123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 25.

Adding to 22222144123 its reverse (32144122222), we get a palindrome (54366266345).

The spelling of 22222144123 in words is "twenty-two billion, two hundred twenty-two million, one hundred forty-four thousand, one hundred twenty-three".