22222434444123 has 4 divisors (see below), whose sum is σ = 29629912592168. Its totient is φ = 14814956296080.

The previous prime is 22222434444083. The next prime is 22222434444149. The reversal of 22222434444123 is 32144443422222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22222434444123 - 2²⁵ = 22222400889691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22222434444823) 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, 3703739074018 + ... + 3703739074023.

It is an arithmetic number, because the mean of its divisors is an integer number (7407478148042).

Almost surely, 2^{22222434444123} is an apocalyptic number.

22222434444123 is a deficient number, since it is larger than the sum of its proper divisors (7407478148045).

22222434444123 is an equidigital number, since it uses as much as digits as its factorization.

22222434444123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7407478148044.

The product of its digits is 589824, while the sum is 39.

Adding to 22222434444123 its reverse (32144443422222), we get a palindrome (54366877866345).

The spelling of 22222434444123 in words is "twenty-two trillion, two hundred twenty-two billion, four hundred thirty-four million, four hundred forty-four thousand, one hundred twenty-three".