3221246065 has 8 divisors (see below), whose sum is σ = 3893711400. Its totient is φ = 2558186112.

The previous prime is 3221246047. The next prime is 3221246081. The reversal of 3221246065 is 5606421223.

It can be written as a sum of positive squares in 4 ways, for example, as 936788449 + 2284457616 = 30607^2 + 47796^2 .

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 3221246065 - 2²⁹ = 2684375153 is a prime.

It is a super-2 number, since 2×3221246065² = 20752852422555968450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2350590 + ... + 2351959.

It is an arithmetic number, because the mean of its divisors is an integer number (486713925).

Almost surely, 2^3221246065 is an apocalyptic number.

It is an amenable number.

3221246065 is a deficient number, since it is larger than the sum of its proper divisors (672465335).

3221246065 is a wasteful number, since it uses less digits than its factorization.

3221246065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4702691.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 3221246065 is about 56756.0222795784. The cubic root of 3221246065 is about 1476.8667071393.

Adding to 3221246065 its reverse (5606421223), we get a palindrome (8827667288).

The spelling of 3221246065 in words is "three billion, two hundred twenty-one million, two hundred forty-six thousand, sixty-five".