4220319 has 4 divisors (see below), whose sum is σ = 5627096. Its totient is φ = 2813544.

The previous prime is 4220297. The next prime is 4220323. The reversal of 4220319 is 9130224.

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

It is not a de Polignac number, because 4220319 - 2⁵ = 4220287 is a prime.

It is a super-2 number, since 2×4220319² = 35622184923522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4220295 and 4220304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220519) 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 3 ways as a sum of consecutive naturals, for example, 703384 + ... + 703389.

It is an arithmetic number, because the mean of its divisors is an integer number (1406774).

Almost surely, 2^4220319 is an apocalyptic number.

4220319 is a deficient number, since it is larger than the sum of its proper divisors (1406777).

4220319 is a wasteful number, since it uses less digits than its factorization.

4220319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406776.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 4220319 is about 2054.3415003353. The cubic root of 4220319 is about 161.6026307246.

The spelling of 4220319 in words is "four million, two hundred twenty thousand, three hundred nineteen".