3220423 has 2 divisors, whose sum is σ = 3220424. Its totient is φ = 3220422.

The previous prime is 3220411. The next prime is 3220433. The reversal of 3220423 is 3240223.

3220423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3220423 is a prime.

It is a super-2 number, since 2×3220423² = 20742248597858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3220397 and 3220406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3220433) 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, 1610211 + 1610212.

It is an arithmetic number, because the mean of its divisors is an integer number (1610212).

Almost surely, 2^3220423 is an apocalyptic number.

3220423 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220423 is an equidigital number, since it uses as much as digits as its factorization.

3220423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 3220423 is about 1794.5537049640. The cubic root of 3220423 is about 147.6740911012.

Adding to 3220423 its reverse (3240223), we get a palindrome (6460646).

The spelling of 3220423 in words is "three million, two hundred twenty thousand, four hundred twenty-three".