6684223442 has 18 divisors (see below), whose sum is σ = 10859361093. Its totient is φ = 3084332472.

The previous prime is 6684223411. The next prime is 6684223463. The reversal of 6684223442 is 2443224866.

It can be written as a sum of positive squares in 2 ways, for example, as 5715208801 + 969014641 = 75599^2 + 31129^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=57811.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6684223442.

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 8 ways as a sum of consecutive naturals, for example, 1500863 + ... + 1505309.

Almost surely, 2^6684223442 is an apocalyptic number.

6684223442 is a deficient number, since it is larger than the sum of its proper divisors (4175137651).

6684223442 is an frugal number, since it uses more digits than its factorization.

6684223442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8922 (or 4462 counting only the distinct ones).

The product of its digits is 442368, while the sum is 41.

The square root of 6684223442 is about 81757.1002543510. The cubic root of 6684223442 is about 1883.7227653678.

The spelling of 6684223442 in words is "six billion, six hundred eighty-four million, two hundred twenty-three thousand, four hundred forty-two".