6718226 has 4 divisors (see below), whose sum is σ = 10077342. Its totient is φ = 3359112.

The previous prime is 6718223. The next prime is 6718241. The reversal of 6718226 is 6228176.

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., 5067001 + 1651225 = 2251^2 + 1285^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6718192 and 6718201.

It is not an unprimeable number, because it can be changed into a prime (6718223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1679555 + ... + 1679558.

Almost surely, 2^6718226 is an apocalyptic number.

6718226 is a deficient number, since it is larger than the sum of its proper divisors (3359116).

6718226 is a wasteful number, since it uses less digits than its factorization.

6718226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359115.

The product of its digits is 8064, while the sum is 32.

The square root of 6718226 is about 2591.9540890996. The cubic root of 6718226 is about 188.6911522173.

The spelling of 6718226 in words is "six million, seven hundred eighteen thousand, two hundred twenty-six".