22294246991 has 2 divisors, whose sum is σ = 22294246992. Its totient is φ = 22294246990.

The previous prime is 22294246963. The next prime is 22294247039. The reversal of 22294246991 is 19964249222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22294246991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22294216991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11147123495 + 11147123496.

It is an arithmetic number, because the mean of its divisors is an integer number (11147123496).

Almost surely, 2^22294246991 is an apocalyptic number.

22294246991 is a deficient number, since it is larger than the sum of its proper divisors (1).

22294246991 is an equidigital number, since it uses as much as digits as its factorization.

22294246991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 50.

The spelling of 22294246991 in words is "twenty-two billion, two hundred ninety-four million, two hundred forty-six thousand, nine hundred ninety-one".