6688122 has 32 divisors (see below), whose sum is σ = 15552000. Its totient is φ = 1877808.

The previous prime is 6688117. The next prime is 6688127. The reversal of 6688122 is 2218866.

6688122 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6688117) and next prime (6688127).

6688122 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (6688127) 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, 1129 + ... + 3827.

It is an arithmetic number, because the mean of its divisors is an integer number (486000).

Almost surely, 2^6688122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6688122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7776000).

6688122 is an abundant number, since it is smaller than the sum of its proper divisors (8863878).

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

6688122 is a wasteful number, since it uses less digits than its factorization.

6688122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770.

The product of its digits is 9216, while the sum is 33.

The square root of 6688122 is about 2586.1403674201. The cubic root of 6688122 is about 188.4088919852.

It can be divided in two parts, 66 and 88122, that added together give a palindrome (88188).

The spelling of 6688122 in words is "six million, six hundred eighty-eight thousand, one hundred twenty-two".