22626516091 has 2 divisors, whose sum is σ = 22626516092. Its totient is φ = 22626516090.

The previous prime is 22626516089. The next prime is 22626516151. The reversal of 22626516091 is 19061562622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22626516091 - 2¹ = 22626516089 is a prime.

Together with 22626516089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22626516001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11313258045 + 11313258046.

It is an arithmetic number, because the mean of its divisors is an integer number (11313258046).

Almost surely, 2^22626516091 is an apocalyptic number.

22626516091 is a deficient number, since it is larger than the sum of its proper divisors (1).

22626516091 is an equidigital number, since it uses as much as digits as its factorization.

22626516091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 22626516091 in words is "twenty-two billion, six hundred twenty-six million, five hundred sixteen thousand, ninety-one".