22123304447 has 2 divisors, whose sum is σ = 22123304448. Its totient is φ = 22123304446.

The previous prime is 22123304407. The next prime is 22123304449. The reversal of 22123304447 is 74440332122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22123304447 - 2⁶ = 22123304383 is a prime.

Together with 22123304449, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22123304449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061652223 + 11061652224.

It is an arithmetic number, because the mean of its divisors is an integer number (11061652224).

Almost surely, 2^22123304447 is an apocalyptic number.

22123304447 is a deficient number, since it is larger than the sum of its proper divisors (1).

22123304447 is an equidigital number, since it uses as much as digits as its factorization.

22123304447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 32.

Adding to 22123304447 its reverse (74440332122), we get a palindrome (96563636569).

The spelling of 22123304447 in words is "twenty-two billion, one hundred twenty-three million, three hundred four thousand, four hundred forty-seven".