2270045917 has 2 divisors, whose sum is σ = 2270045918. Its totient is φ = 2270045916.

The previous prime is 2270045891. The next prime is 2270045923. The reversal of 2270045917 is 7195400722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2027340676 + 242705241 = 45026^2 + 15579^2 .

It is a cyclic number.

It is not a de Polignac number, because 2270045917 - 2¹⁹ = 2269521629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2270045017) 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, 1135022958 + 1135022959.

It is an arithmetic number, because the mean of its divisors is an integer number (1135022959).

Almost surely, 2^2270045917 is an apocalyptic number.

It is an amenable number.

2270045917 is a deficient number, since it is larger than the sum of its proper divisors (1).

2270045917 is an equidigital number, since it uses as much as digits as its factorization.

2270045917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 2270045917 is about 47644.9988666177. The cubic root of 2270045917 is about 1314.2506908093.

The spelling of 2270045917 in words is "two billion, two hundred seventy million, forty-five thousand, nine hundred seventeen".