21822752920307 has 2 divisors, whose sum is σ = 21822752920308. Its totient is φ = 21822752920306.

The previous prime is 21822752920289. The next prime is 21822752920327. The reversal of 21822752920307 is 70302925722812.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21822752920307 - 2²⁸ = 21822484484851 is a prime.

It is not a weakly prime, because it can be changed into another prime (21822752920327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10911376460153 + 10911376460154.

It is an arithmetic number, because the mean of its divisors is an integer number (10911376460154).

Almost surely, 2^{21822752920307} is an apocalyptic number.

21822752920307 is a deficient number, since it is larger than the sum of its proper divisors (1).

21822752920307 is an equidigital number, since it uses as much as digits as its factorization.

21822752920307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 21822752920307 in words is "twenty-one trillion, eight hundred twenty-two billion, seven hundred fifty-two million, nine hundred twenty thousand, three hundred seven".