22010742865 has 4 divisors (see below), whose sum is σ = 26412891444. Its totient is φ = 17608594288.

The previous prime is 22010742841. The next prime is 22010742881. The reversal of 22010742865 is 56824701022.

It is a happy number.

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 9469430721 + 12541312144 = 97311^2 + 111988^2 .

It is a cyclic number.

It is not a de Polignac number, because 22010742865 - 2²⁷ = 21876525137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 2201074282 + ... + 2201074291.

It is an arithmetic number, because the mean of its divisors is an integer number (6603222861).

Almost surely, 2^22010742865 is an apocalyptic number.

It is an amenable number.

22010742865 is a deficient number, since it is larger than the sum of its proper divisors (4402148579).

22010742865 is an equidigital number, since it uses as much as digits as its factorization.

22010742865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4402148578.

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 22010742865 in words is "twenty-two billion, ten million, seven hundred forty-two thousand, eight hundred sixty-five".