22644360505 has 64 divisors (see below), whose sum is σ = 30953083392. Its totient is φ = 15791892480.

The previous prime is 22644360463. The next prime is 22644360517. The reversal of 22644360505 is 50506344622.

It is not a de Polignac number, because 22644360505 - 2¹⁹ = 22643836217 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 63 ways as a sum of consecutive naturals, for example, 10516509 + ... + 10518661.

It is an arithmetic number, because the mean of its divisors is an integer number (483641928).

Almost surely, 2^22644360505 is an apocalyptic number.

It is an amenable number.

22644360505 is a deficient number, since it is larger than the sum of its proper divisors (8308722887).

22644360505 is a wasteful number, since it uses less digits than its factorization.

22644360505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 22644360505 in words is "twenty-two billion, six hundred forty-four million, three hundred sixty thousand, five hundred five".