22444456689 has 12 divisors (see below), whose sum is σ = 33829326336. Its totient is φ = 14312407032.

The previous prime is 22444456679. The next prime is 22444456733. The reversal of 22444456689 is 98665444422.

22444456689 is a `hidden beast` number, since 22 + 44 + 445 + 66 + 89 = 666.

It is not a de Polignac number, because 22444456689 - 2²⁴ = 22427679473 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22444456609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54213457 + ... + 54213870.

It is an arithmetic number, because the mean of its divisors is an integer number (2819110528).

Almost surely, 2^22444456689 is an apocalyptic number.

It is an amenable number.

22444456689 is a deficient number, since it is larger than the sum of its proper divisors (11384869647).

22444456689 is a wasteful number, since it uses less digits than its factorization.

22444456689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108427356 (or 108427353 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 54.

The spelling of 22444456689 in words is "twenty-two billion, four hundred forty-four million, four hundred fifty-six thousand, six hundred eighty-nine".