3220073 has 8 divisors (see below), whose sum is σ = 3422280. Its totient is φ = 3024000.

The previous prime is 3220051. The next prime is 3220081. The reversal of 3220073 is 3700223.

It can be written as a sum of positive squares in 4 ways, for example, as 1183744 + 2036329 = 1088^2 + 1427^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3220073 - 2¹² = 3215977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3220003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428 + ... + 2573.

It is an arithmetic number, because the mean of its divisors is an integer number (427785).

Almost surely, 2^3220073 is an apocalyptic number.

It is an amenable number.

3220073 is a deficient number, since it is larger than the sum of its proper divisors (202207).

3220073 is a wasteful number, since it uses less digits than its factorization.

3220073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067.

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 3220073 is about 1794.4561850321. The cubic root of 3220073 is about 147.6687410996.

Adding to 3220073 its reverse (3700223), we get a palindrome (6920296).

The spelling of 3220073 in words is "three million, two hundred twenty thousand, seventy-three".