6422256 has 60 divisors (see below), whose sum is σ = 18189808. Its totient is φ = 2115072.

The previous prime is 6422203. The next prime is 6422261. The reversal of 6422256 is 6522246.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14616 + ... + 15048.

Almost surely, 2^6422256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6422256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9094904).

6422256 is an abundant number, since it is smaller than the sum of its proper divisors (11767552).

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

6422256 is a wasteful number, since it uses less digits than its factorization.

6422256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 541 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 6422256 is about 2534.2170388505. The cubic root of 6422256 is about 185.8785193576.

The spelling of 6422256 in words is "six million, four hundred twenty-two thousand, two hundred fifty-six".