2091209022 has 64 divisors (see below), whose sum is σ = 5411266560. Its totient is φ = 586209312.

The previous prime is 2091209017. The next prime is 2091209069. The reversal of 2091209022 is 2209021902.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32158 + ... + 72225.

It is an arithmetic number, because the mean of its divisors is an integer number (84551040).

Almost surely, 2^2091209022 is an apocalyptic number.

2091209022 is an abundant number, since it is smaller than the sum of its proper divisors (3320057538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2091209022 is a wasteful number, since it uses less digits than its factorization.

2091209022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104454 (or 104448 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2091209022 is about 45729.7389233746. The cubic root of 2091209022 is about 1278.7897540982.

The spelling of 2091209022 in words is "two billion, ninety-one million, two hundred nine thousand, twenty-two".