22355232503 has 2 divisors, whose sum is σ = 22355232504. Its totient is φ = 22355232502.

The previous prime is 22355232463. The next prime is 22355232511. The reversal of 22355232503 is 30523255322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22355232503 - 2²⁰ = 22354183927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22355232503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22355232583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11177616251 + 11177616252.

It is an arithmetic number, because the mean of its divisors is an integer number (11177616252).

Almost surely, 2^22355232503 is an apocalyptic number.

22355232503 is a deficient number, since it is larger than the sum of its proper divisors (1).

22355232503 is an equidigital number, since it uses as much as digits as its factorization.

22355232503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 32.

Adding to 22355232503 its reverse (30523255322), we get a palindrome (52878487825).

The spelling of 22355232503 in words is "twenty-two billion, three hundred fifty-five million, two hundred thirty-two thousand, five hundred three".