11228563 has 8 divisors (see below), whose sum is σ = 11851920. Its totient is φ = 10608480.

The previous prime is 11228561. The next prime is 11228593. The reversal of 11228563 is 36582211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11228563 - 2¹ = 11228561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11228561) 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, 10053 + ... + 11113.

It is an arithmetic number, because the mean of its divisors is an integer number (1481490).

Almost surely, 2^11228563 is an apocalyptic number.

11228563 is a deficient number, since it is larger than the sum of its proper divisors (623357).

11228563 is a wasteful number, since it uses less digits than its factorization.

11228563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637.

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

The square root of 11228563 is about 3350.9048031838. The cubic root of 11228563 is about 223.9278240572.

The spelling of 11228563 in words is "eleven million, two hundred twenty-eight thousand, five hundred sixty-three".