4220311 has 4 divisors (see below), whose sum is σ = 4279824. Its totient is φ = 4160800.

The previous prime is 4220297. The next prime is 4220323. The reversal of 4220311 is 1130224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4220311 - 2⁹ = 4219799 is a prime.

It is a super-2 number, since 2×4220311² = 35622049873442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4220291 and 4220300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29650 + ... + 29791.

It is an arithmetic number, because the mean of its divisors is an integer number (1069956).

Almost surely, 2^4220311 is an apocalyptic number.

4220311 is a deficient number, since it is larger than the sum of its proper divisors (59513).

4220311 is an equidigital number, since it uses as much as digits as its factorization.

4220311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59512.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 4220311 is about 2054.3395532385. The cubic root of 4220311 is about 161.6025286137.

Adding to 4220311 its reverse (1130224), we get a palindrome (5350535).

The spelling of 4220311 in words is "four million, two hundred twenty thousand, three hundred eleven".