11563228 has 24 divisors (see below), whose sum is σ = 21203280. Its totient is φ = 5510400.

The previous prime is 11563193. The next prime is 11563231. The reversal of 11563228 is 82236511.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 11563196 and 11563205.

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 7 ways as a sum of consecutive naturals, for example, 9028 + ... + 10228.

It is an arithmetic number, because the mean of its divisors is an integer number (883470).

Almost surely, 2^11563228 is an apocalyptic number.

It is an amenable number.

11563228 is a deficient number, since it is larger than the sum of its proper divisors (9640052).

11563228 is a wasteful number, since it uses less digits than its factorization.

11563228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317 (or 1315 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 11563228 is about 3400.4746727479. The cubic root of 11563228 is about 226.1307881080.

Adding to 11563228 its reverse (82236511), we get a palindrome (93799739).

The spelling of 11563228 in words is "eleven million, five hundred sixty-three thousand, two hundred twenty-eight".