2522522 has 4 divisors (see below), whose sum is σ = 3783786. Its totient is φ = 1261260.

The previous prime is 2522503. The next prime is 2522543. The reversal of 2522522 is 2252252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1692601 + 829921 = 1301^2 + 911^2 .

It is a d-powerful number, because it can be written as 2¹⁰ + 5⁵ + 2¹³ + 2¹⁵ + 5⁹ + 2¹⁸ + 2¹⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 2522494 and 2522503.

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 as a sum of consecutive naturals, namely, 630629 + ... + 630632.

2^2522522 is an apocalyptic number.

2522522 is a deficient number, since it is larger than the sum of its proper divisors (1261264).

2522522 is a wasteful number, since it uses less digits than its factorization.

2522522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261263.

The product of its digits is 800, while the sum is 20.

The square root of 2522522 is about 1588.2449433258. The cubic root of 2522522 is about 136.1272237979.

Adding to 2522522 its reverse (2252252), we get a palindrome (4774774).

The spelling of 2522522 in words is "two million, five hundred twenty-two thousand, five hundred twenty-two".