9996220065 has 64 divisors (see below), whose sum is σ = 18272846592. Its totient is φ = 4622745600.

The previous prime is 9996220063. The next prime is 9996220111. The reversal of 9996220065 is 5600226999.

It is not a de Polignac number, because 9996220065 - 2¹ = 9996220063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9996219996 and 9996220023.

It is not an unprimeable number, because it can be changed into a prime (9996220061) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1890225 + ... + 1895505.

It is an arithmetic number, because the mean of its divisors is an integer number (285513228).

Almost surely, 2^9996220065 is an apocalyptic number.

It is an amenable number.

9996220065 is a deficient number, since it is larger than the sum of its proper divisors (8276626527).

9996220065 is a wasteful number, since it uses less digits than its factorization.

9996220065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5890.

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 9996220065 is about 99981.0985386738. The cubic root of 9996220065 is about 2154.1632017191.

The spelling of 9996220065 in words is "nine billion, nine hundred ninety-six million, two hundred twenty thousand, sixty-five".