224122109 has 2 divisors, whose sum is σ = 224122110. Its totient is φ = 224122108.

The previous prime is 224122103. The next prime is 224122111. The reversal of 224122109 is 901221422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199092100 + 25030009 = 14110^2 + 5003^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224122109 is a prime.

Together with 224122111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224122103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112061054 + 112061055.

It is an arithmetic number, because the mean of its divisors is an integer number (112061055).

Almost surely, 2^224122109 is an apocalyptic number.

It is an amenable number.

224122109 is a deficient number, since it is larger than the sum of its proper divisors (1).

224122109 is an equidigital number, since it uses as much as digits as its factorization.

224122109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 224122109 is about 14970.7083666739. The cubic root of 224122109 is about 607.4281299365.

The spelling of 224122109 in words is "two hundred twenty-four million, one hundred twenty-two thousand, one hundred nine".