6438822 has 16 divisors (see below), whose sum is σ = 13868400. Its totient is φ = 1981152.

The previous prime is 6438799. The next prime is 6438829. The reversal of 6438822 is 2288346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6438829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41197 + ... + 41352.

It is an arithmetic number, because the mean of its divisors is an integer number (866775).

Almost surely, 2^6438822 is an apocalyptic number.

6438822 is an abundant number, since it is smaller than the sum of its proper divisors (7429578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6438822 is a wasteful number, since it uses less digits than its factorization.

6438822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82567.

The product of its digits is 18432, while the sum is 33.

The square root of 6438822 is about 2537.4833989605. The cubic root of 6438822 is about 186.0382046623.

It can be divided in two parts, 6438 and 822, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 6438822 in words is "six million, four hundred thirty-eight thousand, eight hundred twenty-two".