3220472 has 8 divisors (see below), whose sum is σ = 6038400. Its totient is φ = 1610232.

The previous prime is 3220471. The next prime is 3220499. The reversal of 3220472 is 2740223.

It is a happy number.

3220472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 3¹² + 2¹¹ + 2¹⁹ + 0 + 4⁸ + 7 + 2²¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220471) 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, 201272 + ... + 201287.

It is an arithmetic number, because the mean of its divisors is an integer number (754800).

Almost surely, 2^3220472 is an apocalyptic number.

It is an amenable number.

3220472 is a deficient number, since it is larger than the sum of its proper divisors (2817928).

3220472 is a wasteful number, since it uses less digits than its factorization.

3220472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402565 (or 402561 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 3220472 is about 1794.5673573316. The cubic root of 3220472 is about 147.6748400705.

Adding to 3220472 its reverse (2740223), we get a palindrome (5960695).

Subtracting from 3220472 its reverse (2740223), we obtain a square (480249 = 693²).

The spelling of 3220472 in words is "three million, two hundred twenty thousand, four hundred seventy-two".