22244466889 has 4 divisors (see below), whose sum is σ = 22244778256. Its totient is φ = 22244155524.

The previous prime is 22244466877. The next prime is 22244466899. The reversal of 22244466889 is 98866444222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22244466889 - 2¹³ = 22244458697 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22244466899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10882 + ... + 211204.

It is an arithmetic number, because the mean of its divisors is an integer number (5561194564).

Almost surely, 2^22244466889 is an apocalyptic number.

It is an amenable number.

22244466889 is a deficient number, since it is larger than the sum of its proper divisors (311367).

22244466889 is a wasteful number, since it uses less digits than its factorization.

22244466889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311366.

The product of its digits is 10616832, while the sum is 55.

The spelling of 22244466889 in words is "twenty-two billion, two hundred forty-four million, four hundred sixty-six thousand, eight hundred eighty-nine".