3221104865 has 16 divisors (see below), whose sum is σ = 4438653120. Its totient is φ = 2219325120.

The previous prime is 3221104813. The next prime is 3221104871. The reversal of 3221104865 is 5684011223.

It is not a de Polignac number, because 3221104865 - 2¹⁸ = 3220842721 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1540154 + ... + 1542243.

It is an arithmetic number, because the mean of its divisors is an integer number (277415820).

Almost surely, 2^3221104865 is an apocalyptic number.

It is an amenable number.

3221104865 is a deficient number, since it is larger than the sum of its proper divisors (1217548255).

3221104865 is a wasteful number, since it uses less digits than its factorization.

3221104865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082432.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 3221104865 is about 56754.7783450874. The cubic root of 3221104865 is about 1476.8451278476.

The spelling of 3221104865 in words is "three billion, two hundred twenty-one million, one hundred four thousand, eight hundred sixty-five".