22540508741 has 2 divisors, whose sum is σ = 22540508742. Its totient is φ = 22540508740.

The previous prime is 22540508719. The next prime is 22540508761. The reversal of 22540508741 is 14780504522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20053392100 + 2487116641 = 141610^2 + 49871^2 .

It is a cyclic number.

It is not a de Polignac number, because 22540508741 - 2²⁶ = 22473399877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22540508695 and 22540508704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22540508761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11270254370 + 11270254371.

It is an arithmetic number, because the mean of its divisors is an integer number (11270254371).

Almost surely, 2^22540508741 is an apocalyptic number.

It is an amenable number.

22540508741 is a deficient number, since it is larger than the sum of its proper divisors (1).

22540508741 is an equidigital number, since it uses as much as digits as its factorization.

22540508741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 89600, while the sum is 38.

The spelling of 22540508741 in words is "twenty-two billion, five hundred forty million, five hundred eight thousand, seven hundred forty-one".