22122440123 has 8 divisors (see below), whose sum is σ = 25283688192. Its totient is φ = 18961416936.

The previous prime is 22122440117. The next prime is 22122440149. The reversal of 22122440123 is 32104422122.

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

It is not a de Polignac number, because 22122440123 - 2²⁴ = 22105662907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22122440113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365036 + ... + 421302.

It is an arithmetic number, because the mean of its divisors is an integer number (3160461024).

Almost surely, 2^22122440123 is an apocalyptic number.

22122440123 is a deficient number, since it is larger than the sum of its proper divisors (3161248069).

22122440123 is an equidigital number, since it uses as much as digits as its factorization.

22122440123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112441.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 22122440123 its reverse (32104422122), we get a palindrome (54226862245).

The spelling of 22122440123 in words is "twenty-two billion, one hundred twenty-two million, four hundred forty thousand, one hundred twenty-three".