3220673 has 4 divisors (see below), whose sum is σ = 3299268. Its totient is φ = 3142080.

The previous prime is 3220669. The next prime is 3220681. The reversal of 3220673 is 3760223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3760223 = 61 ⋅61643.

It can be written as a sum of positive squares in 2 ways, for example, as 238144 + 2982529 = 488^2 + 1727^2 .

It is a cyclic number.

It is not a de Polignac number, because 3220673 - 2² = 3220669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3220603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39236 + ... + 39317.

It is an arithmetic number, because the mean of its divisors is an integer number (824817).

Almost surely, 2^3220673 is an apocalyptic number.

It is an amenable number.

3220673 is a deficient number, since it is larger than the sum of its proper divisors (78595).

3220673 is an equidigital number, since it uses as much as digits as its factorization.

3220673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78594.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 3220673 is about 1794.6233588138. The cubic root of 3220673 is about 147.6779122936.

Adding to 3220673 its reverse (3760223), we get a palindrome (6980896).

The spelling of 3220673 in words is "three million, two hundred twenty thousand, six hundred seventy-three".