2289885664 has 24 divisors (see below), whose sum is σ = 4918050648. Its totient is φ = 1040856960.

The previous prime is 2289885613. The next prime is 2289885671. The reversal of 2289885664 is 4665889822.

It is a junction number, because it is equal to n+sod(n) for n = 2289885599 and 2289885608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3252327 + ... + 3253030.

It is an arithmetic number, because the mean of its divisors is an integer number (204918777).

Almost surely, 2^2289885664 is an apocalyptic number.

It is an amenable number.

2289885664 is an abundant number, since it is smaller than the sum of its proper divisors (2628164984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2289885664 is a wasteful number, since it uses less digits than its factorization.

2289885664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6505378 (or 6505370 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 58.

The square root of 2289885664 is about 47852.7498060456. The cubic root of 2289885664 is about 1318.0683531181.

The spelling of 2289885664 in words is "two billion, two hundred eighty-nine million, eight hundred eighty-five thousand, six hundred sixty-four".