2022099991 has 2 divisors, whose sum is σ = 2022099992. Its totient is φ = 2022099990.

The previous prime is 2022099977. The next prime is 2022099997. The reversal of 2022099991 is 1999902202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2022099991 - 2⁹ = 2022099479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022099997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011049995 + 1011049996.

It is an arithmetic number, because the mean of its divisors is an integer number (1011049996).

Almost surely, 2^2022099991 is an apocalyptic number.

2022099991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022099991 is an equidigital number, since it uses as much as digits as its factorization.

2022099991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 2022099991 is about 44967.7661330869. The cubic root of 2022099991 is about 1264.5447681073.

The spelling of 2022099991 in words is "two billion, twenty-two million, ninety-nine thousand, nine hundred ninety-one".