22123304407 has 2 divisors, whose sum is σ = 22123304408. Its totient is φ = 22123304406.

The previous prime is 22123304387. The next prime is 22123304447. The reversal of 22123304407 is 70440332122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22123304407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22123304447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061652203 + 11061652204.

It is an arithmetic number, because the mean of its divisors is an integer number (11061652204).

Almost surely, 2^22123304407 is an apocalyptic number.

22123304407 is a deficient number, since it is larger than the sum of its proper divisors (1).

22123304407 is an equidigital number, since it uses as much as digits as its factorization.

22123304407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 28.

Adding to 22123304407 its reverse (70440332122), we get a palindrome (92563636529).

The spelling of 22123304407 in words is "twenty-two billion, one hundred twenty-three million, three hundred four thousand, four hundred seven".