22014044643 has 8 divisors (see below), whose sum is σ = 29445837328. Its totient is φ = 14629140864.

The previous prime is 22014044639. The next prime is 22014044653. The reversal of 22014044643 is 34644041022.

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

It is not a de Polignac number, because 22014044643 - 2² = 22014044639 is a prime.

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 22014044643.

It is not an unprimeable number, because it can be changed into a prime (22014044653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11721130 + ... + 11723007.

It is an arithmetic number, because the mean of its divisors is an integer number (3680729666).

Almost surely, 2^22014044643 is an apocalyptic number.

22014044643 is a deficient number, since it is larger than the sum of its proper divisors (7431792685).

22014044643 is a wasteful number, since it uses less digits than its factorization.

22014044643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23444453.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 22014044643 its reverse (34644041022), we get a palindrome (56658085665).

The spelling of 22014044643 in words is "twenty-two billion, fourteen million, forty-four thousand, six hundred forty-three".