6220404 has 36 divisors (see below), whose sum is σ = 15855840. Its totient is φ = 2056080.

The previous prime is 6220399. The next prime is 6220411. The reversal of 6220404 is 4040226.

6220404 is a `hidden beast` number, since 622 + 0 + 40 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4057 + ... + 5375.

It is an arithmetic number, because the mean of its divisors is an integer number (440440).

Almost surely, 2^6220404 is an apocalyptic number.

It is an amenable number.

6220404 is an abundant number, since it is smaller than the sum of its proper divisors (9635436).

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

6220404 is a wasteful number, since it uses less digits than its factorization.

6220404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460 (or 1455 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 6220404 is about 2494.0737759738. The cubic root of 6220404 is about 183.9103611899.

The spelling of 6220404 in words is "six million, two hundred twenty thousand, four hundred four".