22358844389 has 4 divisors (see below), whose sum is σ = 25552965024. Its totient is φ = 19164723756.

The previous prime is 22358844383. The next prime is 22358844427. The reversal of 22358844389 is 98344885322.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 22358844389 - 2⁴ = 22358844373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22358844383) 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, 1597060307 + ... + 1597060320.

It is an arithmetic number, because the mean of its divisors is an integer number (6388241256).

Almost surely, 2^22358844389 is an apocalyptic number.

It is an amenable number.

22358844389 is a deficient number, since it is larger than the sum of its proper divisors (3194120635).

22358844389 is an equidigital number, since it uses as much as digits as its factorization.

22358844389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3194120634.

The product of its digits is 13271040, while the sum is 56.

The spelling of 22358844389 in words is "twenty-two billion, three hundred fifty-eight million, eight hundred forty-four thousand, three hundred eighty-nine".