22001232503 has 2 divisors, whose sum is σ = 22001232504. Its totient is φ = 22001232502.

The previous prime is 22001232403. The next prime is 22001232529. The reversal of 22001232503 is 30523210022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22001232503 - 2²² = 21997038199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22001232593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000616251 + 11000616252.

It is an arithmetic number, because the mean of its divisors is an integer number (11000616252).

Almost surely, 2^22001232503 is an apocalyptic number.

22001232503 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001232503 is an equidigital number, since it uses as much as digits as its factorization.

22001232503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 22001232503 its reverse (30523210022), we get a palindrome (52524442525).

The spelling of 22001232503 in words is "twenty-two billion, one million, two hundred thirty-two thousand, five hundred three".