22331222123 has 12 divisors (see below), whose sum is σ = 27106578000. Its totient is φ = 18308827152.

The previous prime is 22331222113. The next prime is 22331222153. The reversal of 22331222123 is 32122213322.

It is not a de Polignac number, because 22331222123 - 2¹⁶ = 22331156587 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22331222113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9906248 + ... + 9908501.

It is an arithmetic number, because the mean of its divisors is an integer number (2258881500).

Almost surely, 2^22331222123 is an apocalyptic number.

22331222123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22331222123 is a deficient number, since it is larger than the sum of its proper divisors (4775355877).

22331222123 is a wasteful number, since it uses less digits than its factorization.

22331222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19814786 (or 19814779 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

Adding to 22331222123 its reverse (32122213322), we get a palindrome (54453435445).

The spelling of 22331222123 in words is "twenty-two billion, three hundred thirty-one million, two hundred twenty-two thousand, one hundred twenty-three".