2206610340 has 192 divisors, whose sum is σ = 7151542272. Its totient is φ = 503078400.

The previous prime is 2206610323. The next prime is 2206610407. The reversal of 2206610340 is 430166022.

It is a self number, because there is not a number n which added to its sum of digits gives 2206610340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 924789 + ... + 927171.

It is an arithmetic number, because the mean of its divisors is an integer number (37247616).

Almost surely, 2^2206610340 is an apocalyptic number.

2206610340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2206610340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3575771136).

2206610340 is an abundant number, since it is smaller than the sum of its proper divisors (4944931932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2206610340 is a wasteful number, since it uses less digits than its factorization.

2206610340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490 (or 2488 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2206610340 is about 46974.5712061324. The cubic root of 2206610340 is about 1301.8927733952.

Adding to 2206610340 its reverse (430166022), we get a palindrome (2636776362).

The spelling of 2206610340 in words is "two billion, two hundred six million, six hundred ten thousand, three hundred forty".