6681722282 has 4 divisors (see below), whose sum is σ = 10022583426. Its totient is φ = 3340861140.

The previous prime is 6681722263. The next prime is 6681722287. The reversal of 6681722282 is 2822271866.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6332817241 + 348905041 = 79579^2 + 18679^2 .

It is not an unprimeable number, because it can be changed into a prime (6681722287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1670430569 + ... + 1670430572.

Almost surely, 2^6681722282 is an apocalyptic number.

6681722282 is a deficient number, since it is larger than the sum of its proper divisors (3340861144).

6681722282 is a wasteful number, since it uses less digits than its factorization.

6681722282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340861143.

The product of its digits is 258048, while the sum is 44.

The square root of 6681722282 is about 81741.8025370128. The cubic root of 6681722282 is about 1883.4877802142.

The spelling of 6681722282 in words is "six billion, six hundred eighty-one million, seven hundred twenty-two thousand, two hundred eighty-two".