22966881108865 has 4 divisors (see below), whose sum is σ = 27560257330644. Its totient is φ = 18373504887088.

The previous prime is 22966881108839. The next prime is 22966881108877. The reversal of 22966881108865 is 56880118866922.

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 9740341386304 + 13226539722561 = 3120952^2 + 3636831^2 .

It is a cyclic number.

It is not a de Polignac number, because 22966881108865 - 2³¹ = 22964733625217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22966881108794 and 22966881108803.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2296688110882 + ... + 2296688110891.

It is an arithmetic number, because the mean of its divisors is an integer number (6890064332661).

Almost surely, 2^{22966881108865} is an apocalyptic number.

It is an amenable number.

22966881108865 is a deficient number, since it is larger than the sum of its proper divisors (4593376221779).

22966881108865 is an equidigital number, since it uses as much as digits as its factorization.

22966881108865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4593376221778.

The product of its (nonzero) digits is 159252480, while the sum is 70.

The spelling of 22966881108865 in words is "twenty-two trillion, nine hundred sixty-six billion, eight hundred eighty-one million, one hundred eight thousand, eight hundred sixty-five".