4228591 has 2 divisors, whose sum is σ = 4228592.
Its totient is φ = 4228590.
The previous prime is 4228561. The next prime is 4228603. The reversal of 4228591 is 1958224.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 4228591 - 25 = 4228559 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (4228501) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2114295 + 2114296.
It is an arithmetic number, because the mean of its divisors is an integer number (2114296).
Almost surely, 24228591 is an apocalyptic number.
4228591 is a deficient number, since it is larger than the sum of its proper divisors (1).
4228591 is an equidigital number, since it uses as much as digits as its factorization.
4228591 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 5760, while the sum is 31.
The square root of 4228591 is about 2056.3538119691.
The cubic root of 4228591 is about 161.7081444335.
The spelling of 4228591 in words is "four million, two hundred twenty-eight thousand, five hundred ninety-one".