6221404 has 12 divisors (see below), whose sum is σ = 12442864. Its totient is φ = 2666304.

The previous prime is 6221377. The next prime is 6221429. The reversal of 6221404 is 4041226.

6221404 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111069 + ... + 111124.

Almost surely, 2^6221404 is an apocalyptic number.

It is an amenable number.

6221404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6221404 is a wasteful number, since it uses less digits than its factorization.

6221404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222204 (or 222202 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 6221404 is about 2494.2742431417. The cubic root of 6221404 is about 183.9202158825.

The spelling of 6221404 in words is "six million, two hundred twenty-one thousand, four hundred four".