6515228 has 12 divisors (see below), whose sum is σ = 11680032. Its totient is φ = 3178080.

The previous prime is 6515203. The next prime is 6515261. The reversal of 6515228 is 8225156.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 6515228.

It is a congruent number.

It is an unprimeable number.

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, 19700 + ... + 20027.

It is an arithmetic number, because the mean of its divisors is an integer number (973336).

Almost surely, 2^6515228 is an apocalyptic number.

It is an amenable number.

6515228 is a deficient number, since it is larger than the sum of its proper divisors (5164804).

6515228 is a wasteful number, since it uses less digits than its factorization.

6515228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39772 (or 39770 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 6515228 is about 2552.4944662036. The cubic root of 6515228 is about 186.7711843817.

The spelling of 6515228 in words is "six million, five hundred fifteen thousand, two hundred twenty-eight".