6556224 has 28 divisors (see below), whose sum is σ = 17347184. Its totient is φ = 2185344.

The previous prime is 6556223. The next prime is 6556243. The reversal of 6556224 is 4226556.

It is a junction number, because it is equal to n+sod(n) for n = 6556191 and 6556200.

It is not an unprimeable number, because it can be changed into a prime (6556223) 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, 16882 + ... + 17265.

Almost surely, 2^6556224 is an apocalyptic number.

6556224 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6556224 is an abundant number, since it is smaller than the sum of its proper divisors (10790960).

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

6556224 is a wasteful number, since it uses less digits than its factorization.

6556224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34162 (or 34152 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 6556224 is about 2560.5124487102. The cubic root of 6556224 is about 187.1621078978.

The spelling of 6556224 in words is "six million, five hundred fifty-six thousand, two hundred twenty-four".