4220719 has 2 divisors, whose sum is σ = 4220720. Its totient is φ = 4220718.

The previous prime is 4220693. The next prime is 4220729. The reversal of 4220719 is 9170224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4220719 - 2⁵ = 4220687 is a prime.

It is a super-2 number, since 2×4220719² = 35628937753922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4220693 and 4220702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4220729) 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, 2110359 + 2110360.

It is an arithmetic number, because the mean of its divisors is an integer number (2110360).

Almost surely, 2^4220719 is an apocalyptic number.

4220719 is a deficient number, since it is larger than the sum of its proper divisors (1).

4220719 is an equidigital number, since it uses as much as digits as its factorization.

4220719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 4220719 is about 2054.4388528258. The cubic root of 4220719 is about 161.6077361057.

The spelling of 4220719 in words is "four million, two hundred twenty thousand, seven hundred nineteen".