2208004688 has 10 divisors (see below), whose sum is σ = 4278009114. Its totient is φ = 1104002336.

The previous prime is 2208004663. The next prime is 2208004703. The reversal of 2208004688 is 8864008022.

It can be written as a sum of positive squares in only one way, i.e., 1824314944 + 383689744 = 42712^2 + 19588^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69000131 + ... + 69000162.

Almost surely, 2^2208004688 is an apocalyptic number.

It is an amenable number.

2208004688 is a deficient number, since it is larger than the sum of its proper divisors (2070004426).

2208004688 is a wasteful number, since it uses less digits than its factorization.

2208004688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138000301 (or 138000295 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 2208004688 is about 46989.4103814891. The cubic root of 2208004688 is about 1302.1669358859.

The spelling of 2208004688 in words is "two billion, two hundred eight million, four thousand, six hundred eighty-eight".