2106722206 has 8 divisors (see below), whose sum is σ = 3245491080. Its totient is φ = 1024891848.

The previous prime is 2106722203. The next prime is 2106722207. The reversal of 2106722206 is 6022276012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106722203) 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 3 ways as a sum of consecutive naturals, for example, 14234536 + ... + 14234683.

It is an arithmetic number, because the mean of its divisors is an integer number (405686385).

Almost surely, 2^2106722206 is an apocalyptic number.

2106722206 is a deficient number, since it is larger than the sum of its proper divisors (1138768874).

2106722206 is a wasteful number, since it uses less digits than its factorization.

2106722206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28469258.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2106722206 is about 45899.0436283808. The cubic root of 2106722206 is about 1281.9441091188.

Adding to 2106722206 its reverse (6022276012), we get a palindrome (8128998218).

It can be divided in two parts, 210672 and 2206, that added together give a triangular number (212878 = T₆₅₂).

The spelling of 2106722206 in words is "two billion, one hundred six million, seven hundred twenty-two thousand, two hundred six".