12228563 has 2 divisors, whose sum is σ = 12228564. Its totient is φ = 12228562.

The previous prime is 12228553. The next prime is 12228577. The reversal of 12228563 is 36582221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12228563 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12228553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6114281 + 6114282.

It is an arithmetic number, because the mean of its divisors is an integer number (6114282).

Almost surely, 2^12228563 is an apocalyptic number.

12228563 is a deficient number, since it is larger than the sum of its proper divisors (1).

12228563 is an equidigital number, since it uses as much as digits as its factorization.

12228563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 29.

The square root of 12228563 is about 3496.9362304738. The cubic root of 12228563 is about 230.3872681666.

The spelling of 12228563 in words is "twelve million, two hundred twenty-eight thousand, five hundred sixty-three".