6622169 has 4 divisors (see below), whose sum is σ = 6670644. Its totient is φ = 6573696.

The previous prime is 6622157. The next prime is 6622177. The reversal of 6622169 is 9612266.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4892944 + 1729225 = 2212^2 + 1315^2 .

It is a cyclic number.

It is not a de Polignac number, because 6622169 - 2⁴ = 6622153 is a prime.

It is a super-2 number, since 2×6622169² = 87706244529122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6622199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24032 + ... + 24305.

It is an arithmetic number, because the mean of its divisors is an integer number (1667661).

Almost surely, 2^6622169 is an apocalyptic number.

It is an amenable number.

6622169 is a deficient number, since it is larger than the sum of its proper divisors (48475).

6622169 is a wasteful number, since it uses less digits than its factorization.

6622169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48474.

The product of its digits is 7776, while the sum is 32.

The square root of 6622169 is about 2573.3575344285. The cubic root of 6622169 is about 187.7875315852.

The spelling of 6622169 in words is "six million, six hundred twenty-two thousand, one hundred sixty-nine".