6224 has 10 divisors (see below), whose sum is σ = 12090. Its totient is φ = 3104.

The previous prime is 6221. The next prime is 6229. The reversal of 6224 is 4226.

It can be written as a sum of positive squares in only one way, i.e., 4624 + 1600 = 68^2 + 40^2 .

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 6199 and 6208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 179 + ... + 210.

It is an arithmetic number, because the mean of its divisors is an integer number (1209).

It is an amenable number.

6224 is a deficient number, since it is larger than the sum of its proper divisors (5866).

6224 is a wasteful number, since it uses less digits than its factorization.

6224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 391 counting only the distinct ones).

The product of its digits is 96, while the sum is 14.

The square root of 6224 is about 78.8923316933. The cubic root of 6224 is about 18.3945793736.

It can be divided in two parts, 622 and 4, that added together give a palindrome (626).

The spelling of 6224 in words is "six thousand, two hundred twenty-four".