22218973536563 has 2 divisors, whose sum is σ = 22218973536564. Its totient is φ = 22218973536562.

The previous prime is 22218973536527. The next prime is 22218973536629. The reversal of 22218973536563 is 36563537981222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22218973536563 - 2⁸ = 22218973536307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22218973536496 and 22218973536505.

It is not a weakly prime, because it can be changed into another prime (22218973536503) 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, 11109486768281 + 11109486768282.

It is an arithmetic number, because the mean of its divisors is an integer number (11109486768282).

Almost surely, 2^{22218973536563} is an apocalyptic number.

22218973536563 is a deficient number, since it is larger than the sum of its proper divisors (1).

22218973536563 is an equidigital number, since it uses as much as digits as its factorization.

22218973536563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97977600, while the sum is 62.

The spelling of 22218973536563 in words is "twenty-two trillion, two hundred eighteen billion, nine hundred seventy-three million, five hundred thirty-six thousand, five hundred sixty-three".