22020002191 has 16 divisors (see below), whose sum is σ = 24423482880. Its totient is φ = 19686201280.

The previous prime is 22020002153. The next prime is 22020002203. The reversal of 22020002191 is 19120002022.

It is a cyclic number.

It is not a de Polignac number, because 22020002191 - 2¹³ = 22019993999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020002111) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 92970 + ... + 229528.

It is an arithmetic number, because the mean of its divisors is an integer number (1526467680).

Almost surely, 2^22020002191 is an apocalyptic number.

22020002191 is a deficient number, since it is larger than the sum of its proper divisors (2403480689).

22020002191 is a wasteful number, since it uses less digits than its factorization.

22020002191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136814.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 22020002191 in words is "twenty-two billion, twenty million, two thousand, one hundred ninety-one".