6543224 has 32 divisors (see below), whose sum is σ = 13115520. Its totient is φ = 3052896.

The previous prime is 6543223. The next prime is 6543233. The reversal of 6543224 is 4223456.

It is a d-powerful number, because it can be written as 6⁶ + 5⁹ + 4⁸ + 3¹³ + 2¹⁹ + 2²¹ + 4⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 6543193 and 6543202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6543223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7499 + ... + 8325.

It is an arithmetic number, because the mean of its divisors is an integer number (409860).

Almost surely, 2^6543224 is an apocalyptic number.

It is an amenable number.

6543224 is an abundant number, since it is smaller than the sum of its proper divisors (6572296).

6543224 is a wasteful number, since it uses less digits than its factorization.

6543224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899 (or 895 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 6543224 is about 2557.9726347246. The cubic root of 6543224 is about 187.0383213332.

It can be divided in two parts, 65432 and 24, that added together give a palindrome (65456).

The spelling of 6543224 in words is "six million, five hundred forty-three thousand, two hundred twenty-four".