6815226 has 32 divisors (see below), whose sum is σ = 15353856. Its totient is φ = 1998000.

The previous prime is 6815161. The next prime is 6815227. The reversal of 6815226 is 6225186.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6815193 and 6815202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6815227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381 + ... + 3711.

It is an arithmetic number, because the mean of its divisors is an integer number (479808).

Almost surely, 2^6815226 is an apocalyptic number.

6815226 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6815226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7676928).

6815226 is an abundant number, since it is smaller than the sum of its proper divisors (8538630).

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

6815226 is a wasteful number, since it uses less digits than its factorization.

6815226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378.

The product of its digits is 5760, while the sum is 30.

The square root of 6815226 is about 2610.5987818889. The cubic root of 6815226 is about 189.5949450307.

It can be divided in two parts, 681522 and 6, that added together give a triangular number (681528 = T₁₁₆₇).

The spelling of 6815226 in words is "six million, eight hundred fifteen thousand, two hundred twenty-six".