3220471 has 2 divisors, whose sum is σ = 3220472. Its totient is φ = 3220470.

The previous prime is 3220453. The next prime is 3220499. The reversal of 3220471 is 1740223.

It is a weak prime.

It is an emirp because it is prime and its reverse (1740223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3220471 - 2⁹ = 3219959 is a prime.

It is a super-3 number, since 3×3220471³ (a number of 21 digits) contains 333 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3220411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610235 + 1610236.

It is an arithmetic number, because the mean of its divisors is an integer number (1610236).

Almost surely, 2^3220471 is an apocalyptic number.

3220471 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220471 is an equidigital number, since it uses as much as digits as its factorization.

3220471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 3220471 is about 1794.5670787129. The cubic root of 3220471 is about 147.6748247855.

Adding to 3220471 its reverse (1740223), we get a palindrome (4960694).

It can be divided in two parts, 32 and 20471, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 3220471 in words is "three million, two hundred twenty thousand, four hundred seventy-one".