6224728 has 8 divisors (see below), whose sum is σ = 11671380. Its totient is φ = 3112360.

The previous prime is 6224717. The next prime is 6224747. The reversal of 6224728 is 8274226.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 6224728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 389038 + ... + 389053.

Almost surely, 2^6224728 is an apocalyptic number.

It is an amenable number.

6224728 is a deficient number, since it is larger than the sum of its proper divisors (5446652).

6224728 is a wasteful number, since it uses less digits than its factorization.

6224728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778097 (or 778093 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 6224728 is about 2494.9404802520. The cubic root of 6224728 is about 183.9529652935.

The spelling of 6224728 in words is "six million, two hundred twenty-four thousand, seven hundred twenty-eight".