6224209 has 4 divisors (see below), whose sum is σ = 6235200. Its totient is φ = 6213220.

The previous prime is 6224201. The next prime is 6224213. The reversal of 6224209 is 9024226.

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 6224209 - 2³ = 6224201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6224201) 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, 4597 + ... + 5794.

It is an arithmetic number, because the mean of its divisors is an integer number (1558800).

Almost surely, 2^6224209 is an apocalyptic number.

It is an amenable number.

6224209 is a deficient number, since it is larger than the sum of its proper divisors (10991).

6224209 is a wasteful number, since it uses less digits than its factorization.

6224209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10990.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 6224209 is about 2494.8364675866. The cubic root of 6224209 is about 183.9478526609.

The spelling of 6224209 in words is "six million, two hundred twenty-four thousand, two hundred nine".