2208832664 has 32 divisors (see below), whose sum is σ = 4232146320. Its totient is φ = 1080383616.

The previous prime is 2208832651. The next prime is 2208832667. The reversal of 2208832664 is 4662388022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2208832667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139622 + ... + 154634.

Almost surely, 2^2208832664 is an apocalyptic number.

It is an amenable number.

2208832664 is a deficient number, since it is larger than the sum of its proper divisors (2023313656).

2208832664 is a wasteful number, since it uses less digits than its factorization.

2208832664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15419 (or 15415 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

The square root of 2208832664 is about 46998.2197960731. The cubic root of 2208832664 is about 1302.3296813484.

The spelling of 2208832664 in words is "two billion, two hundred eight million, eight hundred thirty-two thousand, six hundred sixty-four".