22122022423 has 4 divisors (see below), whose sum is σ = 22135060080. Its totient is φ = 22108984768.

The previous prime is 22122022421. The next prime is 22122022441. The reversal of 22122022423 is 32422022122.

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

It is a cyclic number.

It is not a de Polignac number, because 22122022423 - 2¹ = 22122022421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22122022394 and 22122022403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122022421) 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, 6516283 + ... + 6519676.

It is an arithmetic number, because the mean of its divisors is an integer number (5533765020).

Almost surely, 2^22122022423 is an apocalyptic number.

22122022423 is a deficient number, since it is larger than the sum of its proper divisors (13037657).

22122022423 is a wasteful number, since it uses less digits than its factorization.

22122022423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13037656.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22122022423 its reverse (32422022122), we get a palindrome (54544044545).

The spelling of 22122022423 in words is "twenty-two billion, one hundred twenty-two million, twenty-two thousand, four hundred twenty-three".