2522720 has 24 divisors (see below), whose sum is σ = 5960304. Its totient is φ = 1009024.

The previous prime is 2522717. The next prime is 2522743. The reversal of 2522720 is 272252.

2522720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a d-powerful number, because it can be written as 2¹⁴ + 5⁶ + 2¹⁷ + 2¹⁸ + 7³ + 2²¹ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 2522692 and 2522701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7724 + ... + 8043.

It is an arithmetic number, because the mean of its divisors is an integer number (248346).

2^2522720 is an apocalyptic number.

2522720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2522720 is an abundant number, since it is smaller than the sum of its proper divisors (3437584).

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

2522720 is a wasteful number, since it uses less digits than its factorization.

2522720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15782 (or 15774 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 2522720 is about 1588.3072750573. The cubic root of 2522720 is about 136.1307853770.

Adding to 2522720 its reverse (272252), we get a palindrome (2794972).

The spelling of 2522720 in words is "two million, five hundred twenty-two thousand, seven hundred twenty".