22267320643441 has 2 divisors, whose sum is σ = 22267320643442. Its totient is φ = 22267320643440.

The previous prime is 22267320643439. The next prime is 22267320643511. The reversal of 22267320643441 is 14434602376222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20633216064400 + 1634104579041 = 4542380^2 + 1278321^2 .

It is a cyclic number.

It is not a de Polignac number, because 22267320643441 - 2¹ = 22267320643439 is a prime.

Together with 22267320643439, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 22267320643391 and 22267320643400.

It is not a weakly prime, because it can be changed into another prime (22267320643411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11133660321720 + 11133660321721.

It is an arithmetic number, because the mean of its divisors is an integer number (11133660321721).

Almost surely, 2^{22267320643441} is an apocalyptic number.

It is an amenable number.

22267320643441 is a deficient number, since it is larger than the sum of its proper divisors (1).

22267320643441 is an equidigital number, since it uses as much as digits as its factorization.

22267320643441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 46.

The spelling of 22267320643441 in words is "twenty-two trillion, two hundred sixty-seven billion, three hundred twenty million, six hundred forty-three thousand, four hundred forty-one".