7218285716 has 24 divisors (see below), whose sum is σ = 13251651840. Its totient is φ = 3435605600.

The previous prime is 7218285691. The next prime is 7218285719. The reversal of 7218285716 is 6175828127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7218285719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429980 + ... + 446451.

It is an arithmetic number, because the mean of its divisors is an integer number (552152160).

Almost surely, 2^7218285716 is an apocalyptic number.

It is an amenable number.

7218285716 is a deficient number, since it is larger than the sum of its proper divisors (6033366124).

7218285716 is a wasteful number, since it uses less digits than its factorization.

7218285716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876535 (or 876533 counting only the distinct ones).

The product of its digits is 376320, while the sum is 47.

The square root of 7218285716 is about 84960.4950315145. The cubic root of 7218285716 is about 1932.6120784696.

The spelling of 7218285716 in words is "seven billion, two hundred eighteen million, two hundred eighty-five thousand, seven hundred sixteen".