2622800720 has 20 divisors (see below), whose sum is σ = 6098011860. Its totient is φ = 1049120256.

The previous prime is 2622800707. The next prime is 2622800729. The reversal of 2622800720 is 270082262.

It can be written as a sum of positive squares in 2 ways, for example, as 1046393104 + 1576407616 = 32348^2 + 39704^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2622800729) 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, 16392425 + ... + 16392584.

It is an arithmetic number, because the mean of its divisors is an integer number (304900593).

Almost surely, 2^2622800720 is an apocalyptic number.

2622800720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2622800720 is an abundant number, since it is smaller than the sum of its proper divisors (3475211140).

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

2622800720 is a wasteful number, since it uses less digits than its factorization.

2622800720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32785022 (or 32785016 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 2622800720 is about 51213.2865572988. The cubic root of 2622800720 is about 1379.0767331375.

Adding to 2622800720 its reverse (270082262), we get a palindrome (2892882982).

The spelling of 2622800720 in words is "two billion, six hundred twenty-two million, eight hundred thousand, seven hundred twenty".