2278664288 has 24 divisors (see below), whose sum is σ = 4487478408. Its totient is φ = 1138987264.

The previous prime is 2278664279. The next prime is 2278664329. The reversal of 2278664288 is 8824668722.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121595 + ... + 139077.

It is an arithmetic number, because the mean of its divisors is an integer number (186978267).

Almost surely, 2^2278664288 is an apocalyptic number.

It is an amenable number.

2278664288 is a deficient number, since it is larger than the sum of its proper divisors (2208814120).

2278664288 is a wasteful number, since it uses less digits than its factorization.

2278664288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21566 (or 21558 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 53.

The square root of 2278664288 is about 47735.3567913763. The cubic root of 2278664288 is about 1315.9118019992.

The spelling of 2278664288 in words is "two billion, two hundred seventy-eight million, six hundred sixty-four thousand, two hundred eighty-eight".