2238012288 has 128 divisors (see below), whose sum is σ = 6658560000. Its totient is φ = 739984896.

The previous prime is 2238012269. The next prime is 2238012341. The reversal of 2238012288 is 8822108322.

It is a tau number, because it is divible by the number of its divisors (128).

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 15 ways as a sum of consecutive naturals, for example, 436363 + ... + 441461.

It is an arithmetic number, because the mean of its divisors is an integer number (52020000).

Almost surely, 2^2238012288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2238012288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3329280000).

2238012288 is an abundant number, since it is smaller than the sum of its proper divisors (4420547712).

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

2238012288 is a wasteful number, since it uses less digits than its factorization.

2238012288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5249 (or 5231 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 2238012288 is about 47307.6345635670. The cubic root of 2238012288 is about 1308.0393894375.

The spelling of 2238012288 in words is "two billion, two hundred thirty-eight million, twelve thousand, two hundred eighty-eight".