6622208 has 44 divisors (see below), whose sum is σ = 13755840. Its totient is φ = 3182592.

The previous prime is 6622199. The next prime is 6622211. The reversal of 6622208 is 8022266.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6⁶ + 6⁷ + 2¹² + 2²¹ + 2²² + 0 + 8² .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29585 + ... + 29807.

Almost surely, 2^6622208 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 6622208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6877920).

6622208 is an abundant number, since it is smaller than the sum of its proper divisors (7133632).

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

6622208 is a wasteful number, since it uses less digits than its factorization.

6622208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 6622208 is about 2573.3651120663. The cubic root of 6622208 is about 187.7879002307.

The spelling of 6622208 in words is "six million, six hundred twenty-two thousand, two hundred eight".