22242420012423 has 16 divisors (see below), whose sum is σ = 32065076244096. Its totient is φ = 13633110636000.

The previous prime is 22242420012331. The next prime is 22242420012427. The reversal of 22242420012423 is 32421002424222.

It is a happy number.

It is not a de Polignac number, because 22242420012423 - 2²⁰ = 22242418963847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22242420012427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1136082765 + ... + 1136102342.

It is an arithmetic number, because the mean of its divisors is an integer number (2004067265256).

Almost surely, 2^{22242420012423} is an apocalyptic number.

22242420012423 is a deficient number, since it is larger than the sum of its proper divisors (9822656231673).

22242420012423 is a wasteful number, since it uses less digits than its factorization.

22242420012423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272185374.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 22242420012423 its reverse (32421002424222), we get a palindrome (54663422436645).

The spelling of 22242420012423 in words is "twenty-two trillion, two hundred forty-two billion, four hundred twenty million, twelve thousand, four hundred twenty-three".