22068273186865 has 4 divisors (see below), whose sum is σ = 26481927824244. Its totient is φ = 17654618549488.

The previous prime is 22068273186863. The next prime is 22068273186941. The reversal of 22068273186865 is 56868137286022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9996011752609 + 12072261434256 = 3161647^2 + 3474516^2 .

It is a cyclic number.

It is not a de Polignac number, because 22068273186865 - 2¹ = 22068273186863 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22068273186797 and 22068273186806.

It is not an unprimeable number, because it can be changed into a prime (22068273186863) 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 in 3 ways as a sum of consecutive naturals, for example, 2206827318682 + ... + 2206827318691.

It is an arithmetic number, because the mean of its divisors is an integer number (6620481956061).

Almost surely, 2^{22068273186865} is an apocalyptic number.

It is an amenable number.

22068273186865 is a deficient number, since it is larger than the sum of its proper divisors (4413654637379).

22068273186865 is an equidigital number, since it uses as much as digits as its factorization.

22068273186865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4413654637378.

The product of its (nonzero) digits is 92897280, while the sum is 64.

The spelling of 22068273186865 in words is "twenty-two trillion, sixty-eight billion, two hundred seventy-three million, one hundred eighty-six thousand, eight hundred sixty-five".