2318224 has 10 divisors (see below), whose sum is σ = 4491590. Its totient is φ = 1159104.

The previous prime is 2318191. The next prime is 2318237. The reversal of 2318224 is 4228132.

2318224 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 only one way, i.e., 2131600 + 186624 = 1460^2 + 432^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2318195 and 2318204.

It is an unprimeable number.

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, 72429 + ... + 72460.

It is an arithmetic number, because the mean of its divisors is an integer number (449159).

2^2318224 is an apocalyptic number.

It is an amenable number.

2318224 is a deficient number, since it is larger than the sum of its proper divisors (2173366).

2318224 is a wasteful number, since it uses less digits than its factorization.

2318224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144897 (or 144891 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 2318224 is about 1522.5715089939. The cubic root of 2318224 is about 132.3483300722.

The spelling of 2318224 in words is "two million, three hundred eighteen thousand, two hundred twenty-four".