2001022193 has 8 divisors (see below), whose sum is σ = 2083854336. Its totient is φ = 1919332800.

The previous prime is 2001022187. The next prime is 2001022211. The reversal of 2001022193 is 3912201002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001022193 - 2⁶ = 2001022129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001022993) 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 7 ways as a sum of consecutive naturals, for example, 282113 + ... + 289118.

It is an arithmetic number, because the mean of its divisors is an integer number (260481792).

Almost surely, 2^2001022193 is an apocalyptic number.

It is an amenable number.

2001022193 is a deficient number, since it is larger than the sum of its proper divisors (82832143).

2001022193 is a wasteful number, since it uses less digits than its factorization.

2001022193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571375.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2001022193 is about 44732.7865552773. The cubic root of 2001022193 is about 1260.1356604164.

Adding to 2001022193 its reverse (3912201002), we get a palindrome (5913223195).

The spelling of 2001022193 in words is "two billion, one million, twenty-two thousand, one hundred ninety-three".