111648227 has 2 divisors, whose sum is σ = 111648228. Its totient is φ = 111648226.

The previous prime is 111648223. The next prime is 111648259. The reversal of 111648227 is 722846111.

It is a happy number.

It is an a-pointer prime, because the next prime (111648259) can be obtained adding 111648227 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111648227 - 2² = 111648223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111648193 and 111648202.

It is not a weakly prime, because it can be changed into another prime (111648223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55824113 + 55824114.

It is an arithmetic number, because the mean of its divisors is an integer number (55824114).

Almost surely, 2^111648227 is an apocalyptic number.

111648227 is a deficient number, since it is larger than the sum of its proper divisors (1).

111648227 is an equidigital number, since it uses as much as digits as its factorization.

111648227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 32.

The square root of 111648227 is about 10566.3724617297. The cubic root of 111648227 is about 481.5232670318.

It can be divided in two parts, 11164 and 8227, that added together give a palindrome (19391).

The spelling of 111648227 in words is "one hundred eleven million, six hundred forty-eight thousand, two hundred twenty-seven".