2288664000 has 672 divisors, whose sum is σ = 9890150400. Its totient is φ = 493516800.

The previous prime is 2288663957. The next prime is 2288664011. The reversal of 2288664000 is 4668822.

2288664000 is a `hidden beast` number, since 2 + 2 + 8 + 8 + 6 + 640 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 95 ways as a sum of consecutive naturals, for example, 9575881 + ... + 9576119.

Almost surely, 2^2288664000 is an apocalyptic number.

2288664000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2288664000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4945075200).

2288664000 is an abundant number, since it is smaller than the sum of its proper divisors (7601486400).

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

2288664000 is a wasteful number, since it uses less digits than its factorization.

2288664000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 2288664000 is about 47839.9832775891. The cubic root of 2288664000 is about 1317.8339130144.

The spelling of 2288664000 in words is "two billion, two hundred eighty-eight million, six hundred sixty-four thousand".