7218348 has 24 divisors (see below), whose sum is σ = 16908528. Its totient is φ = 2396736.

The previous prime is 7218331. The next prime is 7218349. The reversal of 7218348 is 8438127.

It is not an unprimeable number, because it can be changed into a prime (7218349) 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 in 7 ways as a sum of consecutive naturals, for example, 2490 + ... + 4542.

It is an arithmetic number, because the mean of its divisors is an integer number (704522).

Almost surely, 2^7218348 is an apocalyptic number.

It is an amenable number.

7218348 is an abundant number, since it is smaller than the sum of its proper divisors (9690180).

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

7218348 is a wasteful number, since it uses less digits than its factorization.

7218348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353 (or 2351 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 7218348 is about 2686.6983455535. The cubic root of 7218348 is about 193.2617637059.

The spelling of 7218348 in words is "seven million, two hundred eighteen thousand, three hundred forty-eight".