6651226 has 8 divisors (see below), whose sum is σ = 10006164. Its totient is φ = 3315840.

The previous prime is 6651223. The next prime is 6651251. The reversal of 6651226 is 6221566.

It can be written as a sum of positive squares in 2 ways, for example, as 6528025 + 123201 = 2555^2 + 351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6651194 and 6651203.

It is not an unprimeable number, because it can be changed into a prime (6651221) 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, 4005 + ... + 5416.

Almost surely, 2^6651226 is an apocalyptic number.

6651226 is a deficient number, since it is larger than the sum of its proper divisors (3354938).

6651226 is a wasteful number, since it uses less digits than its factorization.

6651226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9776.

The product of its digits is 4320, while the sum is 28.

The square root of 6651226 is about 2578.9970918944. The cubic root of 6651226 is about 188.0617912170.

It can be divided in two parts, 665 and 1226, that added together give a triangular number (1891 = T₆₁).

The spelling of 6651226 in words is "six million, six hundred fifty-one thousand, two hundred twenty-six".