22243270989 has 4 divisors (see below), whose sum is σ = 29657694656. Its totient is φ = 14828847324.

The previous prime is 22243270981. The next prime is 22243270993. The reversal of 22243270989 is 98907234222.

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 not a de Polignac number, because 22243270989 - 2³ = 22243270981 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 (22243270981) 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, 3707211829 + ... + 3707211834.

It is an arithmetic number, because the mean of its divisors is an integer number (7414423664).

Almost surely, 2^22243270989 is an apocalyptic number.

It is an amenable number.

22243270989 is a deficient number, since it is larger than the sum of its proper divisors (7414423667).

22243270989 is an equidigital number, since it uses as much as digits as its factorization.

22243270989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7414423666.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 22243270989 in words is "twenty-two billion, two hundred forty-three million, two hundred seventy thousand, nine hundred eighty-nine".