2522216 has 16 divisors (see below), whose sum is σ = 4857540. Its totient is φ = 1226880.

The previous prime is 2522213. The next prime is 2522227. The reversal of 2522216 is 6122252.

2522216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2402500 + 119716 = 1550^2 + 346^2 .

It is not an unprimeable number, because it can be changed into a prime (2522213) by changing a digit.

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, 3965 + ... + 4556.

2^2522216 is an apocalyptic number.

It is an amenable number.

2522216 is a deficient number, since it is larger than the sum of its proper divisors (2335324).

2522216 is a wasteful number, since it uses less digits than its factorization.

2522216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8564 (or 8560 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 2522216 is about 1588.1486076561. The cubic root of 2522216 is about 136.1217191726.

Adding to 2522216 its reverse (6122252), we get a palindrome (8644468).

The spelling of 2522216 in words is "two million, five hundred twenty-two thousand, two hundred sixteen".