7218222682 has 32 divisors (see below), whose sum is σ = 12102773760. Its totient is φ = 3200600880.

The previous prime is 7218222677. The next prime is 7218222703. The reversal of 7218222682 is 2862228127.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306069 + ... + 328807.

It is an arithmetic number, because the mean of its divisors is an integer number (378211680).

Almost surely, 2^7218222682 is an apocalyptic number.

7218222682 is a deficient number, since it is larger than the sum of its proper divisors (4884551078).

7218222682 is a wasteful number, since it uses less digits than its factorization.

7218222682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23106.

The product of its digits is 86016, while the sum is 40.

The square root of 7218222682 is about 84960.1240700601. The cubic root of 7218222682 is about 1932.6064529130.

It can be divided in two parts, 72182 and 22682, that added together give a square (94864 = 308²).

The spelling of 7218222682 in words is "seven billion, two hundred eighteen million, two hundred twenty-two thousand, six hundred eighty-two".