3220065 has 24 divisors (see below), whose sum is σ = 5628480. Its totient is φ = 1702944.

The previous prime is 3220051. The next prime is 3220081. The reversal of 3220065 is 5600223.

It is not a de Polignac number, because 3220065 - 2⁵ = 3220033 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7116 + ... + 7554.

It is an arithmetic number, because the mean of its divisors is an integer number (234520).

Almost surely, 2^3220065 is an apocalyptic number.

It is an amenable number.

3220065 is a deficient number, since it is larger than the sum of its proper divisors (2408415).

3220065 is a wasteful number, since it uses less digits than its factorization.

3220065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3220065 is about 1794.4539559431. The cubic root of 3220065 is about 147.6686188093.

Adding to 3220065 its reverse (5600223), we get a palindrome (8820288).

The spelling of 3220065 in words is "three million, two hundred twenty thousand, sixty-five".