2209040859 has 8 divisors (see below), whose sum is σ = 3024993040. Its totient is φ = 1432891296.

The previous prime is 2209040857. The next prime is 2209040861. The reversal of 2209040859 is 9580409022.

It is an interprime number because it is at equal distance from previous prime (2209040857) and next prime (2209040861).

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

It is not a de Polignac number, because 2209040859 - 2¹ = 2209040857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2209040851) 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, 9950524 + ... + 9950745.

It is an arithmetic number, because the mean of its divisors is an integer number (378124130).

Almost surely, 2^2209040859 is an apocalyptic number.

2209040859 is a deficient number, since it is larger than the sum of its proper divisors (815952181).

2209040859 is a wasteful number, since it uses less digits than its factorization.

2209040859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19901309.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 2209040859 is about 47000.4346682028. The cubic root of 2209040859 is about 1302.3705973813.

The spelling of 2209040859 in words is "two billion, two hundred nine million, forty thousand, eight hundred fifty-nine".