2209833889 has 4 divisors (see below), whose sum is σ = 2211444756. Its totient is φ = 2208223024.

The previous prime is 2209833883. The next prime is 2209833911. The reversal of 2209833889 is 9883389022.

2209833889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1208744289 + 1001089600 = 34767^2 + 31640^2 .

It is a cyclic number.

It is not a de Polignac number, because 2209833889 - 2⁷ = 2209833761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2209833883) 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, 803374 + ... + 806119.

It is an arithmetic number, because the mean of its divisors is an integer number (552861189).

Almost surely, 2^2209833889 is an apocalyptic number.

It is an amenable number.

2209833889 is a deficient number, since it is larger than the sum of its proper divisors (1610867).

2209833889 is a wasteful number, since it uses less digits than its factorization.

2209833889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610866.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The square root of 2209833889 is about 47008.8703225253. The cubic root of 2209833889 is about 1302.5264260047.

The spelling of 2209833889 in words is "two billion, two hundred nine million, eight hundred thirty-three thousand, eight hundred eighty-nine".