6422161 has 4 divisors (see below), whose sum is σ = 6429412. Its totient is φ = 6414912.

The previous prime is 6422113. The next prime is 6422167. The reversal of 6422161 is 1612246.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5612161 + 810000 = 2369^2 + 900^2 .

It is a cyclic number.

It is not a de Polignac number, because 6422161 - 2¹⁵ = 6389393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6422167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2076 + ... + 4141.

It is an arithmetic number, because the mean of its divisors is an integer number (1607353).

Almost surely, 2^6422161 is an apocalyptic number.

It is an amenable number.

6422161 is a deficient number, since it is larger than the sum of its proper divisors (7251).

6422161 is a wasteful number, since it uses less digits than its factorization.

6422161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7250.

The product of its digits is 576, while the sum is 22.

The square root of 6422161 is about 2534.1982953194. The cubic root of 6422161 is about 185.8776028288.

The spelling of 6422161 in words is "six million, four hundred twenty-two thousand, one hundred sixty-one".