22644336536005 has 8 divisors (see below), whose sum is σ = 27173284091424. Its totient is φ = 18115415730000.

The previous prime is 22644336535991. The next prime is 22644336536023. The reversal of 22644336536005 is 50063563344622.

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

It is not a de Polignac number, because 22644336536005 - 2³⁹ = 22094580722117 is a prime.

It is a super-2 number, since 2×22644336536005² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22644336536005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4775271 + ... + 8251780.

It is an arithmetic number, because the mean of its divisors is an integer number (3396660511428).

Almost surely, 2^{22644336536005} is an apocalyptic number.

It is an amenable number.

22644336536005 is a deficient number, since it is larger than the sum of its proper divisors (4528947555419).

22644336536005 is a wasteful number, since it uses less digits than its factorization.

22644336536005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13374707.

The product of its (nonzero) digits is 9331200, while the sum is 49.

The spelling of 22644336536005 in words is "twenty-two trillion, six hundred forty-four billion, three hundred thirty-six million, five hundred thirty-six thousand, five".