2318216 has 32 divisors (see below), whose sum is σ = 4656960. Its totient is φ = 1079232.

The previous prime is 2318191. The next prime is 2318237. The reversal of 2318216 is 6128132.

2318216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 2318191 and 2318200.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 7766 + ... + 8058.

It is an arithmetic number, because the mean of its divisors is an integer number (145530).

2^2318216 is an apocalyptic number.

It is an amenable number.

2318216 is an abundant number, since it is smaller than the sum of its proper divisors (2338744).

2318216 is a wasteful number, since it uses less digits than its factorization.

2318216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 361 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 2318216 is about 1522.5688818572. The cubic root of 2318216 is about 132.3481778310.

The spelling of 2318216 in words is "two million, three hundred eighteen thousand, two hundred sixteen".