2200222221991 has 2 divisors, whose sum is σ = 2200222221992. Its totient is φ = 2200222221990.

The previous prime is 2200222221941. The next prime is 2200222222031. The reversal of 2200222221991 is 1991222220022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2200222221991 - 2¹³ = 2200222213799 is a prime.

It is a super-2 number, since 2×2200222221991² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2200222221931) 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, 1100111110995 + 1100111110996.

It is an arithmetic number, because the mean of its divisors is an integer number (1100111110996).

Almost surely, 2^{2200222221991} is an apocalyptic number.

2200222221991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200222221991 is an equidigital number, since it uses as much as digits as its factorization.

2200222221991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 2200222221991 in words is "two trillion, two hundred billion, two hundred twenty-two million, two hundred twenty-one thousand, nine hundred ninety-one".