6428226 has 32 divisors (see below), whose sum is σ = 15055488. Its totient is φ = 1791360.

The previous prime is 6428207. The next prime is 6428263. The reversal of 6428226 is 6228246.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6428193 and 6428202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145 + ... + 3588.

It is an arithmetic number, because the mean of its divisors is an integer number (470484).

Almost surely, 2^6428226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6428226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7527744).

6428226 is an abundant number, since it is smaller than the sum of its proper divisors (8627262).

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

6428226 is a wasteful number, since it uses less digits than its factorization.

6428226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3786.

The product of its digits is 9216, while the sum is 30.

The square root of 6428226 is about 2535.3946438375. The cubic root of 6428226 is about 185.9360978309.

The spelling of 6428226 in words is "six million, four hundred twenty-eight thousand, two hundred twenty-six".