22001102989 has 4 divisors (see below), whose sum is σ = 22001698656. Its totient is φ = 22000507324.

The previous prime is 22001102971. The next prime is 22001103013. The reversal of 22001102989 is 98920110022.

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 22001102989 - 2⁹ = 22001102477 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 (22001102089) 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, 238489 + ... + 317614.

It is an arithmetic number, because the mean of its divisors is an integer number (5500424664).

Almost surely, 2^22001102989 is an apocalyptic number.

It is an amenable number.

22001102989 is a deficient number, since it is larger than the sum of its proper divisors (595667).

22001102989 is an equidigital number, since it uses as much as digits as its factorization.

22001102989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595666.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 22001102989 in words is "twenty-two billion, one million, one hundred two thousand, nine hundred eighty-nine".