6622081 has 2 divisors, whose sum is σ = 6622082. Its totient is φ = 6622080.

The previous prime is 6622069. The next prime is 6622097. The reversal of 6622081 is 1802266.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4879681 + 1742400 = 2209^2 + 1320^2 .

It is a cyclic number.

It is not a de Polignac number, because 6622081 - 2¹⁵ = 6589313 is a prime.

It is a super-2 number, since 2×6622081² = 87703913541122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6622981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3311040 + 3311041.

It is an arithmetic number, because the mean of its divisors is an integer number (3311041).

Almost surely, 2^6622081 is an apocalyptic number.

It is an amenable number.

6622081 is a deficient number, since it is larger than the sum of its proper divisors (1).

6622081 is an equidigital number, since it uses as much as digits as its factorization.

6622081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 6622081 is about 2573.3404360869. The cubic root of 6622081 is about 187.7866997642.

The spelling of 6622081 in words is "six million, six hundred twenty-two thousand, eighty-one".