6556226 has 4 divisors (see below), whose sum is σ = 9834342. Its totient is φ = 3278112.

The previous prime is 6556223. The next prime is 6556243. The reversal of 6556226 is 6226556.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5755201 + 801025 = 2399^2 + 895^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6556192 and 6556201.

It is not an unprimeable number, because it can be changed into a prime (6556223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1639055 + ... + 1639058.

Almost surely, 2^6556226 is an apocalyptic number.

6556226 is a deficient number, since it is larger than the sum of its proper divisors (3278116).

6556226 is a wasteful number, since it uses less digits than its factorization.

6556226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3278115.

The product of its digits is 21600, while the sum is 32.

The square root of 6556226 is about 2560.5128392570. The cubic root of 6556226 is about 187.1621269293.

The spelling of 6556226 in words is "six million, five hundred fifty-six thousand, two hundred twenty-six".