22042197956563 has 2 divisors, whose sum is σ = 22042197956564. Its totient is φ = 22042197956562.

The previous prime is 22042197956561. The next prime is 22042197956579. The reversal of 22042197956563 is 36565979124022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22042197956563 - 2¹ = 22042197956561 is a prime.

Together with 22042197956561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22042197956561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11021098978281 + 11021098978282.

It is an arithmetic number, because the mean of its divisors is an integer number (11021098978282).

Almost surely, 2^{22042197956563} is an apocalyptic number.

22042197956563 is a deficient number, since it is larger than the sum of its proper divisors (1).

22042197956563 is an equidigital number, since it uses as much as digits as its factorization.

22042197956563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48988800, while the sum is 61.

The spelling of 22042197956563 in words is "twenty-two trillion, forty-two billion, one hundred ninety-seven million, nine hundred fifty-six thousand, five hundred sixty-three".