109208227 has 2 divisors, whose sum is σ = 109208228. Its totient is φ = 109208226.

The previous prime is 109208179. The next prime is 109208279. The reversal of 109208227 is 722802901.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109208227 is a prime.

It is not a weakly prime, because it can be changed into another prime (109208927) by changing a digit.

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 as a sum of consecutive naturals, namely, 54604113 + 54604114.

It is an arithmetic number, because the mean of its divisors is an integer number (54604114).

Almost surely, 2^109208227 is an apocalyptic number.

109208227 is a deficient number, since it is larger than the sum of its proper divisors (1).

109208227 is an equidigital number, since it uses as much as digits as its factorization.

109208227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 109208227 is about 10450.2740155462. The cubic root of 109208227 is about 477.9896051730.

The spelling of 109208227 in words is "one hundred nine million, two hundred eight thousand, two hundred twenty-seven".