2842221911 has 4 divisors (see below), whose sum is σ = 2870362824. Its totient is φ = 2814081000.

The previous prime is 2842221901. The next prime is 2842221971. The reversal of 2842221911 is 1191222482.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2842221911 - 2¹⁸ = 2841959767 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 (2842221901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14070305 + ... + 14070506.

It is an arithmetic number, because the mean of its divisors is an integer number (717590706).

Almost surely, 2^2842221911 is an apocalyptic number.

2842221911 is a deficient number, since it is larger than the sum of its proper divisors (28140913).

2842221911 is a wasteful number, since it uses less digits than its factorization.

2842221911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28140912.

The product of its digits is 4608, while the sum is 32.

The square root of 2842221911 is about 53312.4930105505. The cubic root of 2842221911 is about 1416.5089657413.

The spelling of 2842221911 in words is "two billion, eight hundred forty-two million, two hundred twenty-one thousand, nine hundred eleven".