4220343 has 10 divisors (see below), whose sum is σ = 6304584. Its totient is φ = 2813508.

The previous prime is 4220327. The next prime is 4220347. The reversal of 4220343 is 3430224.

It is not a de Polignac number, because 4220343 - 2⁴ = 4220327 is a prime.

It is a super-2 number, since 2×4220343² = 35622590075298, which contains 22 as substring.

4220343 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220347) 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 in 9 ways as a sum of consecutive naturals, for example, 25971 + ... + 26132.

Almost surely, 2^4220343 is an apocalyptic number.

4220343 is a deficient number, since it is larger than the sum of its proper divisors (2084241).

4220343 is an equidigital number, since it uses as much as digits as its factorization.

4220343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52115 (or 52106 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 4220343 is about 2054.3473416148. The cubic root of 4220343 is about 161.6029370565.

Adding to 4220343 its reverse (3430224), we get a palindrome (7650567).

The spelling of 4220343 in words is "four million, two hundred twenty thousand, three hundred forty-three".