6228109 has 4 divisors (see below), whose sum is σ = 6248704. Its totient is φ = 6207516.

The previous prime is 6228091. The next prime is 6228121. The reversal of 6228109 is 9018226.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6228109 - 2¹⁵ = 6195341 is a prime.

It is a Duffinian number.

6228109 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6228139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9837 + ... + 10450.

It is an arithmetic number, because the mean of its divisors is an integer number (1562176).

Almost surely, 2^6228109 is an apocalyptic number.

It is an amenable number.

6228109 is a deficient number, since it is larger than the sum of its proper divisors (20595).

6228109 is a wasteful number, since it uses less digits than its factorization.

6228109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20594.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 6228109 is about 2495.6179595443. The cubic root of 6228109 is about 183.9862643338.

The spelling of 6228109 in words is "six million, two hundred twenty-eight thousand, one hundred nine".