6422447884 has 24 divisors (see below), whose sum is σ = 11903930640. Its totient is φ = 3021436416.

The previous prime is 6422447861. The next prime is 6422447897. The reversal of 6422447884 is 4887442246.

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 7 ways as a sum of consecutive naturals, for example, 256432 + ... + 280360.

It is an arithmetic number, because the mean of its divisors is an integer number (495997110).

Almost surely, 2^6422447884 is an apocalyptic number.

It is an amenable number.

6422447884 is a deficient number, since it is larger than the sum of its proper divisors (5481482756).

6422447884 is a wasteful number, since it uses less digits than its factorization.

6422447884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27897 (or 27895 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 49.

The square root of 6422447884 is about 80140.1764659899. The cubic root of 6422447884 is about 1858.8037056366.

The spelling of 6422447884 in words is "six billion, four hundred twenty-two million, four hundred forty-seven thousand, eight hundred eighty-four".