6622056 has 72 divisors (see below), whose sum is σ = 20873970. Its totient is φ = 1891008.

The previous prime is 6622037. The next prime is 6622069. The reversal of 6622056 is 6502266.

It can be written as a sum of positive squares in only one way, i.e., 5336100 + 1285956 = 2310^2 + 1134^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2590 + ... + 4466.

Almost surely, 2^6622056 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 6622056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10436985).

6622056 is an abundant number, since it is smaller than the sum of its proper divisors (14251914).

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

6622056 is a wasteful number, since it uses less digits than its factorization.

6622056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903 (or 1889 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 6622056 is about 2573.3355785828. The cubic root of 6622056 is about 187.7864634501.

It can be divided in two parts, 66 and 22056, that added together give a palindrome (22122).

The spelling of 6622056 in words is "six million, six hundred twenty-two thousand, fifty-six".