2200008640 has 28 divisors (see below), whose sum is σ = 5238771336. Its totient is φ = 880003328.

The previous prime is 2200008631. The next prime is 2200008647. The reversal of 2200008640 is 468000022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200008647) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3437194 + ... + 3437833.

Almost surely, 2^2200008640 is an apocalyptic number.

2200008640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200008640 is an abundant number, since it is smaller than the sum of its proper divisors (3038762696).

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

2200008640 is an equidigital number, since it uses as much as digits as its factorization.

2200008640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6875044 (or 6875034 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2200008640 is about 46904.2497008533. The cubic root of 2200008640 is about 1300.5931494416.

Adding to 2200008640 its reverse (468000022), we get a palindrome (2668008662).

The spelling of 2200008640 in words is "two billion, two hundred million, eight thousand, six hundred forty".