2818242 has 24 divisors (see below), whose sum is σ = 6978816. Its totient is φ = 805176.

The previous prime is 2818237. The next prime is 2818267. The reversal of 2818242 is 2428182.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 11058 + ... + 11309.

It is an arithmetic number, because the mean of its divisors is an integer number (290784).

2^2818242 is an apocalyptic number.

2818242 is an abundant number, since it is smaller than the sum of its proper divisors (4160574).

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

2818242 is a wasteful number, since it uses less digits than its factorization.

2818242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22382 (or 22379 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 2818242 is about 1678.7620438883. The cubic root of 2818242 is about 141.2513999913.

It can be divided in two parts, 28182 and 42, that added together give a square (28224 = 168²).

The spelling of 2818242 in words is "two million, eight hundred eighteen thousand, two hundred forty-two".