2189668204 has 12 divisors (see below), whose sum is σ = 4057326504. Its totient is φ = 1030432064.

The previous prime is 2189668193. The next prime is 2189668219. The reversal of 2189668204 is 4028669812.

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, 16100434 + ... + 16100569.

It is an arithmetic number, because the mean of its divisors is an integer number (338110542).

Almost surely, 2^2189668204 is an apocalyptic number.

It is an amenable number.

2189668204 is a deficient number, since it is larger than the sum of its proper divisors (1867658300).

2189668204 is a wasteful number, since it uses less digits than its factorization.

2189668204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32201024 (or 32201022 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 2189668204 is about 46793.8906696163. The cubic root of 2189668204 is about 1298.5522747518.

It can be divided in two parts, 21896 and 68204, that added together give a triangular number (90100 = T₄₂₄).

The spelling of 2189668204 in words is "two billion, one hundred eighty-nine million, six hundred sixty-eight thousand, two hundred four".