4228394237 has 2 divisors, whose sum is σ = 4228394238.
Its totient is φ = 4228394236.
The previous prime is 4228394161. The next prime is 4228394239. The reversal of 4228394237 is 7324938224.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 3659524036 + 568870201 = 60494^2 + 23851^2
It is a cyclic number.
It is not a de Polignac number, because 4228394237 - 212 = 4228390141 is a prime.
It is a super-3 number, since 3×42283942373 (a number of 30 digits) contains 333 as substring.
Together with 4228394239, 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 (4228394239) 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, 2114197118 + 2114197119.
It is an arithmetic number, because the mean of its divisors is an integer number (2114197119).
Almost surely, 24228394237 is an apocalyptic number.
It is an amenable number.
4228394237 is a deficient number, since it is larger than the sum of its proper divisors (1).
4228394237 is an equidigital number, since it uses as much as digits as its factorization.
4228394237 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 580608, while the sum is 44.
The square root of 4228394237 is about 65026.1042735915.
The cubic root of 4228394237 is about 1617.0563621639.
The spelling of 4228394237 in words is "four billion, two hundred twenty-eight million, three hundred ninety-four thousand, two hundred thirty-seven".