6622431447 has 32 divisors (see below), whose sum is σ = 9495774720. Its totient is φ = 4090383360.

The previous prime is 6622431443. The next prime is 6622431449. The reversal of 6622431447 is 7441342266.

6622431447 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6622431447 - 2² = 6622431443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6622431443) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2347804 + ... + 2350622.

It is an arithmetic number, because the mean of its divisors is an integer number (296742960).

Almost surely, 2^6622431447 is an apocalyptic number.

6622431447 is a deficient number, since it is larger than the sum of its proper divisors (2873343273).

6622431447 is a wasteful number, since it uses less digits than its factorization.

6622431447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543.

The product of its digits is 193536, while the sum is 39.

The square root of 6622431447 is about 81378.3229551949. The cubic root of 6622431447 is about 1877.9001232438.

The spelling of 6622431447 in words is "six billion, six hundred twenty-two million, four hundred thirty-one thousand, four hundred forty-seven".