22130344222991 has 2 divisors, whose sum is σ = 22130344222992. Its totient is φ = 22130344222990.

The previous prime is 22130344222933. The next prime is 22130344223063. The reversal of 22130344222991 is 19922244303122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22130344222991 - 2¹⁸ = 22130343960847 is a prime.

It is a super-2 number, since 2×22130344222991² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22130344822991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11065172111495 + 11065172111496.

It is an arithmetic number, because the mean of its divisors is an integer number (11065172111496).

Almost surely, 2^{22130344222991} is an apocalyptic number.

22130344222991 is a deficient number, since it is larger than the sum of its proper divisors (1).

22130344222991 is an equidigital number, since it uses as much as digits as its factorization.

22130344222991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 22130344222991 in words is "twenty-two trillion, one hundred thirty billion, three hundred forty-four million, two hundred twenty-two thousand, nine hundred ninety-one".