22354018889 has 4 divisors (see below), whose sum is σ = 22360885524. Its totient is φ = 22347152256.

The previous prime is 22354018861. The next prime is 22354018933. The reversal of 22354018889 is 98881045322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11551950400 + 10802068489 = 107480^2 + 103933^2 .

It is a cyclic number.

It is not a de Polignac number, because 22354018889 - 2²⁰ = 22352970313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22354018789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3428432 + ... + 3434945.

It is an arithmetic number, because the mean of its divisors is an integer number (5590221381).

Almost surely, 2^22354018889 is an apocalyptic number.

It is an amenable number.

22354018889 is a deficient number, since it is larger than the sum of its proper divisors (6866635).

22354018889 is an equidigital number, since it uses as much as digits as its factorization.

22354018889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6866634.

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 22354018889 in words is "twenty-two billion, three hundred fifty-four million, eighteen thousand, eight hundred eighty-nine".