6422844 has 12 divisors (see below), whose sum is σ = 14986664. Its totient is φ = 2140944.

The previous prime is 6422837. The next prime is 6422849. The reversal of 6422844 is 4482246.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 6² + 4² + 2¹⁷ + 2²¹ + 8 + 4⁴ + 4¹¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6422849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267607 + ... + 267630.

Almost surely, 2^6422844 is an apocalyptic number.

It is an amenable number.

6422844 is an abundant number, since it is smaller than the sum of its proper divisors (8563820).

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

6422844 is a wasteful number, since it uses less digits than its factorization.

6422844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535244 (or 535242 counting only the distinct ones).

The product of its digits is 12288, while the sum is 30.

The square root of 6422844 is about 2534.3330483581. Note that the first 3 decimals coincide. The cubic root of 6422844 is about 185.8841919869.

It can be divided in two parts, 642 and 2844, that added together give a triangular number (3486 = T₈₃).

The spelling of 6422844 in words is "six million, four hundred twenty-two thousand, eight hundred forty-four".