22267320643873 has 2 divisors, whose sum is σ = 22267320643874. Its totient is φ = 22267320643872.

The previous prime is 22267320643871. The next prime is 22267320643943. The reversal of 22267320643873 is 37834602376222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22252617383824 + 14703260049 = 4717268^2 + 121257^2 .

It is a cyclic number.

It is not a de Polignac number, because 22267320643873 - 2¹ = 22267320643871 is a prime.

Together with 22267320643871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22267320643871) 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, 11133660321936 + 11133660321937.

It is an arithmetic number, because the mean of its divisors is an integer number (11133660321937).

Almost surely, 2^{22267320643873} is an apocalyptic number.

It is an amenable number.

22267320643873 is a deficient number, since it is larger than the sum of its proper divisors (1).

22267320643873 is an equidigital number, since it uses as much as digits as its factorization.

22267320643873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24385536, while the sum is 55.

The spelling of 22267320643873 in words is "twenty-two trillion, two hundred sixty-seven billion, three hundred twenty million, six hundred forty-three thousand, eight hundred seventy-three".