100227089 has 2 divisors, whose sum is σ = 100227090. Its totient is φ = 100227088.

The previous prime is 100227041. The next prime is 100227119. The reversal of 100227089 is 980722001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70980625 + 29246464 = 8425^2 + 5408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100227089 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (100227289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50113544 + 50113545.

It is an arithmetic number, because the mean of its divisors is an integer number (50113545).

Almost surely, 2^100227089 is an apocalyptic number.

It is an amenable number.

100227089 is a deficient number, since it is larger than the sum of its proper divisors (1).

100227089 is an equidigital number, since it uses as much as digits as its factorization.

100227089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 100227089 is about 10011.3480111322. The cubic root of 100227089 is about 464.5099689918.

The spelling of 100227089 in words is "one hundred million, two hundred twenty-seven thousand, eighty-nine".