22701543209 has 2 divisors, whose sum is σ = 22701543210. Its totient is φ = 22701543208.

The previous prime is 22701543199. The next prime is 22701543211. The reversal of 22701543209 is 90234510722.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18926055184 + 3775488025 = 137572^2 + 61445^2 .

It is a cyclic number.

It is not a de Polignac number, because 22701543209 - 2²⁴ = 22684765993 is a prime.

Together with 22701543211, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22701543229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11350771604 + 11350771605.

It is an arithmetic number, because the mean of its divisors is an integer number (11350771605).

Almost surely, 2^22701543209 is an apocalyptic number.

It is an amenable number.

22701543209 is a deficient number, since it is larger than the sum of its proper divisors (1).

22701543209 is an equidigital number, since it uses as much as digits as its factorization.

22701543209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 22701543209 in words is "twenty-two billion, seven hundred one million, five hundred forty-three thousand, two hundred nine".