108999227 has 2 divisors, whose sum is σ = 108999228. Its totient is φ = 108999226.

The previous prime is 108999203. The next prime is 108999229. The reversal of 108999227 is 722999801.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (722999801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108999227 - 2¹⁴ = 108982843 is a prime.

It is a super-3 number, since 3×108999227³ (a number of 25 digits) contains 333 as substring.

Together with 108999229, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (108999229) 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, 54499613 + 54499614.

It is an arithmetic number, because the mean of its divisors is an integer number (54499614).

Almost surely, 2^108999227 is an apocalyptic number.

108999227 is a deficient number, since it is larger than the sum of its proper divisors (1).

108999227 is an equidigital number, since it uses as much as digits as its factorization.

108999227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 108999227 is about 10440.2694888590. The cubic root of 108999227 is about 477.6844888929.

The spelling of 108999227 in words is "one hundred eight million, nine hundred ninety-nine thousand, two hundred twenty-seven".