2204019871 has 4 divisors (see below), whose sum is σ = 2241376200. Its totient is φ = 2166663544.

The previous prime is 2204019863. The next prime is 2204019877. The reversal of 2204019871 is 1789104022.

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 2204019871 - 2³ = 2204019863 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 (2204019877) 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, 18678076 + ... + 18678193.

It is an arithmetic number, because the mean of its divisors is an integer number (560344050).

Almost surely, 2^2204019871 is an apocalyptic number.

2204019871 is a deficient number, since it is larger than the sum of its proper divisors (37356329).

2204019871 is an equidigital number, since it uses as much as digits as its factorization.

2204019871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37356328.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 2204019871 is about 46946.9900100102. The cubic root of 2204019871 is about 1301.3831178689.

The spelling of 2204019871 in words is "two billion, two hundred four million, nineteen thousand, eight hundred seventy-one".