7706228 has 24 divisors (see below), whose sum is σ = 14407680. Its totient is φ = 3598560.

The previous prime is 7706227. The next prime is 7706239. The reversal of 7706228 is 8226077.

It is a junction number, because it is equal to n+sod(n) for n = 7706194 and 7706203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7706221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2525 + ... + 4667.

It is an arithmetic number, because the mean of its divisors is an integer number (600320).

Almost surely, 2^7706228 is an apocalyptic number.

It is an amenable number.

7706228 is a deficient number, since it is larger than the sum of its proper divisors (6701452).

7706228 is a wasteful number, since it uses less digits than its factorization.

7706228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207 (or 2205 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 7706228 is about 2776.0093659784. The cubic root of 7706228 is about 197.5213073204.

The spelling of 7706228 in words is "seven million, seven hundred six thousand, two hundred twenty-eight".