2522720288 has 144 divisors (see below), whose sum is σ = 5863959360. Its totient is φ = 1064194560.

The previous prime is 2522720257. The next prime is 2522720297. The reversal of 2522720288 is 8820272252.

It is a Harshad number since it is a multiple of its sum of digits (38).

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 23 ways as a sum of consecutive naturals, for example, 3898781 + ... + 3899427.

It is an arithmetic number, because the mean of its divisors is an integer number (40721940).

Almost surely, 2^2522720288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2522720288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2931979680).

2522720288 is an abundant number, since it is smaller than the sum of its proper divisors (3341239072).

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

2522720288 is a wasteful number, since it uses less digits than its factorization.

2522720288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751 (or 732 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 2522720288 is about 50226.6890009684. The cubic root of 2522720288 is about 1361.3079055733.

The spelling of 2522720288 in words is "two billion, five hundred twenty-two million, seven hundred twenty thousand, two hundred eighty-eight".