2182522 has 4 divisors (see below), whose sum is σ = 3273786. Its totient is φ = 1091260.

The previous prime is 2182513. The next prime is 2182529. The reversal of 2182522 is 2252812.

2182522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 1560001 + 622521 = 1249^2 + 789^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2² + 1 + 8⁵ + 2⁴ + 5⁹ + 2¹⁶ + 2¹⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 2182493 and 2182502.

It is not an unprimeable number, because it can be changed into a prime (2182529) 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 as a sum of consecutive naturals, namely, 545629 + ... + 545632.

2^2182522 is an apocalyptic number.

2182522 is a deficient number, since it is larger than the sum of its proper divisors (1091264).

2182522 is a wasteful number, since it uses less digits than its factorization.

2182522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091263.

The product of its digits is 640, while the sum is 22.

The square root of 2182522 is about 1477.3361161225. The cubic root of 2182522 is about 129.7138082884.

It can be divided in two parts, 2182 and 522, that added together give a square (2704 = 52²).

The spelling of 2182522 in words is "two million, one hundred eighty-two thousand, five hundred twenty-two".