2522 has 8 divisors (see below), whose sum is σ = 4116.
Its totient is φ = 1152.
The previous prime is 2521. The next prime is 2531. The reversal of 2522 is 2252.
It can be written as a sum of positive squares in 2 ways, for example, as 2401 + 121 = 49^2 + 11^2
It is a sphenic number, since it is the product of 3 distinct primes.
It is a nialpdrome in base 14 and base 15.
It is not an unprimeable number, because it can be changed into a prime (2521) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23 + ... + 74.
2522 is a deficient number, since it is larger than the sum of its proper divisors (1594).
2522 is a wasteful number, since it uses less digits than its factorization.
2522 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112.
The product of its digits is 40, while the sum is 11.
The square root of 2522 is about 50.2195181180.
The cubic root of 2522 is about 13.6117833287.
Adding to 2522 its reverse (2252), we get a palindrome (4774).
The spelling of 2522 in words is "two thousand, five hundred twenty-two".