7218852 has 24 divisors (see below), whose sum is σ = 17001600. Its totient is φ = 2383776.

The previous prime is 7218839. The next prime is 7218853. The reversal of 7218852 is 2588127.

It is a super-2 number, since 2×7218852² = 104223648395808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7218853) 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, 1452 + ... + 4067.

It is an arithmetic number, because the mean of its divisors is an integer number (708400).

Almost surely, 2^7218852 is an apocalyptic number.

It is an amenable number.

7218852 is an abundant number, since it is smaller than the sum of its proper divisors (9782748).

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

7218852 is a wasteful number, since it uses less digits than its factorization.

7218852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5635 (or 5633 counting only the distinct ones).

The product of its digits is 8960, while the sum is 33.

The square root of 7218852 is about 2686.7921393364. The cubic root of 7218852 is about 193.2662615800.

The spelling of 7218852 in words is "seven million, two hundred eighteen thousand, eight hundred fifty-two".