4220143 has 2 divisors, whose sum is σ = 4220144. Its totient is φ = 4220142.

The previous prime is 4220141. The next prime is 4220173. The reversal of 4220143 is 3410224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4220143 - 2¹ = 4220141 is a prime.

Together with 4220141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4220141) 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, 2110071 + 2110072.

It is an arithmetic number, because the mean of its divisors is an integer number (2110072).

Almost surely, 2^4220143 is an apocalyptic number.

4220143 is a deficient number, since it is larger than the sum of its proper divisors (1).

4220143 is an equidigital number, since it uses as much as digits as its factorization.

4220143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4220143 is about 2054.2986637780. The cubic root of 4220143 is about 161.6003842547.

Adding to 4220143 its reverse (3410224), we get a palindrome (7630367).

The spelling of 4220143 in words is "four million, two hundred twenty thousand, one hundred forty-three".