22293109691 has 2 divisors, whose sum is σ = 22293109692. Its totient is φ = 22293109690.

The previous prime is 22293109661. The next prime is 22293109711. The reversal of 22293109691 is 19690139222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22293109691 - 2²⁶ = 22226000827 is a prime.

It is not a weakly prime, because it can be changed into another prime (22293109661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11146554845 + 11146554846.

It is an arithmetic number, because the mean of its divisors is an integer number (11146554846).

Almost surely, 2^22293109691 is an apocalyptic number.

22293109691 is a deficient number, since it is larger than the sum of its proper divisors (1).

22293109691 is an equidigital number, since it uses as much as digits as its factorization.

22293109691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 44.

The spelling of 22293109691 in words is "twenty-two billion, two hundred ninety-three million, one hundred nine thousand, six hundred ninety-one".