22540204513 has 2 divisors, whose sum is σ = 22540204514. Its totient is φ = 22540204512.

The previous prime is 22540204471. The next prime is 22540204523. The reversal of 22540204513 is 31540204522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20116316224 + 2423888289 = 141832^2 + 49233^2 .

It is a cyclic number.

It is not a de Polignac number, because 22540204513 - 2²⁹ = 22003333601 is a prime.

It is not a weakly prime, because it can be changed into another prime (22540204523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11270102256 + 11270102257.

It is an arithmetic number, because the mean of its divisors is an integer number (11270102257).

Almost surely, 2^22540204513 is an apocalyptic number.

It is an amenable number.

22540204513 is a deficient number, since it is larger than the sum of its proper divisors (1).

22540204513 is an equidigital number, since it uses as much as digits as its factorization.

22540204513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 28.

Subtracting 22540204513 from its reverse (31540204522), we obtain a palindrome (9000000009).

The spelling of 22540204513 in words is "twenty-two billion, five hundred forty million, two hundred four thousand, five hundred thirteen".