22074165991 has 2 divisors, whose sum is σ = 22074165992. Its totient is φ = 22074165990.

The previous prime is 22074165989. The next prime is 22074166039. The reversal of 22074165991 is 19956147022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22074165991 - 2¹ = 22074165989 is a prime.

Together with 22074165989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22074115991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11037082995 + 11037082996.

It is an arithmetic number, because the mean of its divisors is an integer number (11037082996).

Almost surely, 2^22074165991 is an apocalyptic number.

22074165991 is a deficient number, since it is larger than the sum of its proper divisors (1).

22074165991 is an equidigital number, since it uses as much as digits as its factorization.

22074165991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 22074165991 in words is "twenty-two billion, seventy-four million, one hundred sixty-five thousand, nine hundred ninety-one".