22755475235021 has 2 divisors, whose sum is σ = 22755475235022. Its totient is φ = 22755475235020.

The previous prime is 22755475234997. The next prime is 22755475235081. The reversal of 22755475235021 is 12053257455722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22433617579396 + 321857655625 = 4736414^2 + 567325^2 .

It is a cyclic number.

It is not a de Polignac number, because 22755475235021 - 2⁶ = 22755475234957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22755475235081) 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, 11377737617510 + 11377737617511.

It is an arithmetic number, because the mean of its divisors is an integer number (11377737617511).

Almost surely, 2^{22755475235021} is an apocalyptic number.

It is an amenable number.

22755475235021 is a deficient number, since it is larger than the sum of its proper divisors (1).

22755475235021 is an equidigital number, since it uses as much as digits as its factorization.

22755475235021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880000, while the sum is 50.

The spelling of 22755475235021 in words is "twenty-two trillion, seven hundred fifty-five billion, four hundred seventy-five million, two hundred thirty-five thousand, twenty-one".