22656864745 has 8 divisors (see below), whose sum is σ = 27189167616. Its totient is φ = 18124871856.

The previous prime is 22656864739. The next prime is 22656864749. The reversal of 22656864745 is 54746865622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22656864745 - 2⁹ = 22656864233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22656864749) 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 7 ways as a sum of consecutive naturals, for example, 137574 + ... + 253456.

It is an arithmetic number, because the mean of its divisors is an integer number (3398645952).

Almost surely, 2^22656864745 is an apocalyptic number.

It is an amenable number.

22656864745 is a deficient number, since it is larger than the sum of its proper divisors (4532302871).

22656864745 is a wasteful number, since it uses less digits than its factorization.

22656864745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154991.

The product of its digits is 19353600, while the sum is 55.

The spelling of 22656864745 in words is "twenty-two billion, six hundred fifty-six million, eight hundred sixty-four thousand, seven hundred forty-five".