11657228 has 24 divisors (see below), whose sum is σ = 23224320. Its totient is φ = 5067920.

The previous prime is 11657227. The next prime is 11657237. The reversal of 11657228 is 82275611.

It is a junction number, because it is equal to n+sod(n) for n = 11657194 and 11657203.

It is not an unprimeable number, because it can be changed into a prime (11657227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4748 + ... + 6771.

It is an arithmetic number, because the mean of its divisors is an integer number (967680).

Almost surely, 2^11657228 is an apocalyptic number.

It is an amenable number.

11657228 is a deficient number, since it is larger than the sum of its proper divisors (11567092).

11657228 is a wasteful number, since it uses less digits than its factorization.

11657228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11557 (or 11555 counting only the distinct ones).

The product of its digits is 6720, while the sum is 32.

The square root of 11657228 is about 3414.2682964290. The cubic root of 11657228 is about 226.7418906420.

The spelling of 11657228 in words is "eleven million, six hundred fifty-seven thousand, two hundred twenty-eight".