3222113978865 has 16 divisors (see below), whose sum is σ = 5194736433216. Its totient is φ = 1705342766400.

The previous prime is 3222113978813. The next prime is 3222113978869. The reversal of 3222113978865 is 5688793112223.

It is not a de Polignac number, because 3222113978865 - 2¹² = 3222113974769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3222113978869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 819874366 + ... + 819878295.

It is an arithmetic number, because the mean of its divisors is an integer number (324671027076).

Almost surely, 2^{3222113978865} is an apocalyptic number.

It is an amenable number.

3222113978865 is a deficient number, since it is larger than the sum of its proper divisors (1972622454351).

3222113978865 is a wasteful number, since it uses less digits than its factorization.

3222113978865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639752800.

The product of its digits is 8709120, while the sum is 57.

The spelling of 3222113978865 in words is "three trillion, two hundred twenty-two billion, one hundred thirteen million, nine hundred seventy-eight thousand, eight hundred sixty-five".