22091834447 has 2 divisors, whose sum is σ = 22091834448. Its totient is φ = 22091834446.

The previous prime is 22091834431. The next prime is 22091834449. The reversal of 22091834447 is 74443819022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22091834447 - 2⁴ = 22091834431 is a prime.

Together with 22091834449, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22091834398 and 22091834407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22091834449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11045917223 + 11045917224.

It is an arithmetic number, because the mean of its divisors is an integer number (11045917224).

Almost surely, 2^22091834447 is an apocalyptic number.

22091834447 is a deficient number, since it is larger than the sum of its proper divisors (1).

22091834447 is an equidigital number, since it uses as much as digits as its factorization.

22091834447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 22091834447 in words is "twenty-two billion, ninety-one million, eight hundred thirty-four thousand, four hundred forty-seven".