22002222222191 has 2 divisors, whose sum is σ = 22002222222192. Its totient is φ = 22002222222190.

The previous prime is 22002222222181. The next prime is 22002222222223. The reversal of 22002222222191 is 19122222220022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22002222222191 - 2²² = 22002218027887 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22002222222181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001111111095 + 11001111111096.

It is an arithmetic number, because the mean of its divisors is an integer number (11001111111096).

Almost surely, 2^{22002222222191} is an apocalyptic number.

22002222222191 is a deficient number, since it is larger than the sum of its proper divisors (1).

22002222222191 is an equidigital number, since it uses as much as digits as its factorization.

22002222222191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 22002222222191 in words is "twenty-two trillion, two billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred ninety-one".