2238989280 has 384 divisors, whose sum is σ = 8151736320. Its totient is φ = 511272960.

The previous prime is 2238989239. The next prime is 2238989281. The reversal of 2238989280 is 829898322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238989281) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 12508231 + ... + 12508409.

It is an arithmetic number, because the mean of its divisors is an integer number (21228480).

Almost surely, 2^2238989280 is an apocalyptic number.

2238989280 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 2238989280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4075868160).

2238989280 is an abundant number, since it is smaller than the sum of its proper divisors (5912747040).

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

2238989280 is a wasteful number, since it uses less digits than its factorization.

2238989280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The square root of 2238989280 is about 47317.9593811906. The cubic root of 2238989280 is about 1308.2297008895.

The spelling of 2238989280 in words is "two billion, two hundred thirty-eight million, nine hundred eighty-nine thousand, two hundred eighty".