7685228 has 6 divisors (see below), whose sum is σ = 13449156. Its totient is φ = 3842612.

The previous prime is 7685201. The next prime is 7685231. The reversal of 7685228 is 8225867.

It is a junction number, because it is equal to n+sod(n) for n = 7685191 and 7685200.

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 as a sum of consecutive naturals, namely, 960650 + ... + 960657.

It is an arithmetic number, because the mean of its divisors is an integer number (2241526).

Almost surely, 2^7685228 is an apocalyptic number.

It is an amenable number.

7685228 is a deficient number, since it is larger than the sum of its proper divisors (5763928).

7685228 is a wasteful number, since it uses less digits than its factorization.

7685228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921311 (or 1921309 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 7685228 is about 2772.2243776433. The cubic root of 7685228 is about 197.3417243916.

It can be divided in two parts, 768 and 5228, that multiplied together give a palindrome (4015104).

The spelling of 7685228 in words is "seven million, six hundred eighty-five thousand, two hundred twenty-eight".