8422056 has 80 divisors (see below), whose sum is σ = 24241140. Its totient is φ = 2730240.

The previous prime is 8422039. The next prime is 8422061. The reversal of 8422056 is 6502248.

It can be written as a sum of positive squares in 2 ways, for example, as 6081156 + 2340900 = 2466^2 + 1530^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26410 + ... + 26726.

Almost surely, 2^8422056 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 8422056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12120570).

8422056 is an abundant number, since it is smaller than the sum of its proper divisors (15819084).

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

8422056 is a wasteful number, since it uses less digits than its factorization.

8422056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 8422056 is about 2902.0778762811. The cubic root of 8422056 is about 203.4570336316.

The spelling of 8422056 in words is "eight million, four hundred twenty-two thousand, fifty-six".