22001013209 has 8 divisors (see below), whose sum is σ = 25145000448. Its totient is φ = 18857272320.

The previous prime is 22001013163. The next prime is 22001013217. The reversal of 22001013209 is 90231010022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22001013209 - 2¹⁶ = 22000947673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22001013259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209144 + ... + 296214.

It is an arithmetic number, because the mean of its divisors is an integer number (3143125056).

Almost surely, 2^22001013209 is an apocalyptic number.

It is an amenable number.

22001013209 is a deficient number, since it is larger than the sum of its proper divisors (3143987239).

22001013209 is an equidigital number, since it uses as much as digits as its factorization.

22001013209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123175.

The product of its (nonzero) digits is 216, while the sum is 20.

The spelling of 22001013209 in words is "twenty-two billion, one million, thirteen thousand, two hundred nine".