2210009999 has 4 divisors (see below), whose sum is σ = 2210180064. Its totient is φ = 2209839936.

The previous prime is 2210009981. The next prime is 2210010007. The reversal of 2210009999 is 9999000122.

2210009999 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 is a cyclic number.

It is not a de Polignac number, because 2210009999 - 2⁸ = 2210009743 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 (2210009939) 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, 63767 + ... + 92120.

It is an arithmetic number, because the mean of its divisors is an integer number (552545016).

Almost surely, 2^2210009999 is an apocalyptic number.

2210009999 is a deficient number, since it is larger than the sum of its proper divisors (170065).

2210009999 is a wasteful number, since it uses less digits than its factorization.

2210009999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170064.

The product of its (nonzero) digits is 26244, while the sum is 41.

The square root of 2210009999 is about 47010.7434423239. The cubic root of 2210009999 is about 1302.5610261673.

The spelling of 2210009999 in words is "two billion, two hundred ten million, nine thousand, nine hundred ninety-nine".