4243227277 has 2 divisors, whose sum is σ = 4243227278. Its totient is φ = 4243227276.

The previous prime is 4243227221. The next prime is 4243227281. The reversal of 4243227277 is 7727223424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4165540681 + 77686596 = 64541^2 + 8814^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4243227277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4243227977) 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, 2121613638 + 2121613639.

It is an arithmetic number, because the mean of its divisors is an integer number (2121613639).

Almost surely, 2^4243227277 is an apocalyptic number.

It is an amenable number.

4243227277 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243227277 is an equidigital number, since it uses as much as digits as its factorization.

4243227277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 263424, while the sum is 40.

The square root of 4243227277 is about 65140.0589269000. The cubic root of 4243227277 is about 1618.9450120658.

The spelling of 4243227277 in words is "four billion, two hundred forty-three million, two hundred twenty-seven thousand, two hundred seventy-seven".