7221680852 has 48 divisors (see below), whose sum is σ = 13976468352. Its totient is φ = 3247580160.

The previous prime is 7221680839. The next prime is 7221680867. The reversal of 7221680852 is 2580861227.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2690303 + ... + 2692985.

It is an arithmetic number, because the mean of its divisors is an integer number (291176424).

Almost surely, 2^7221680852 is an apocalyptic number.

It is an amenable number.

7221680852 is a deficient number, since it is larger than the sum of its proper divisors (6754787500).

7221680852 is a wasteful number, since it uses less digits than its factorization.

7221680852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4448 (or 4446 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 7221680852 is about 84980.4733571189. The cubic root of 7221680852 is about 1932.9150337064.

The spelling of 7221680852 in words is "seven billion, two hundred twenty-one million, six hundred eighty thousand, eight hundred fifty-two".