2238433280 has 96 divisors (see below), whose sum is σ = 5486382720. Its totient is φ = 876134400.

The previous prime is 2238433279. The next prime is 2238433291. The reversal of 2238433280 is 823348322.

It is a self number, because there is not a number n which added to its sum of digits gives 2238433280.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478955 + ... + 483605.

It is an arithmetic number, because the mean of its divisors is an integer number (57149820).

Almost surely, 2^2238433280 is an apocalyptic number.

2238433280 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 2238433280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2743191360).

2238433280 is an abundant number, since it is smaller than the sum of its proper divisors (3247949440).

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

2238433280 is an equidigital number, since it uses as much as digits as its factorization.

2238433280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4725 (or 4705 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 2238433280 is about 47312.0838687116. The cubic root of 2238433280 is about 1308.1214026293.

The spelling of 2238433280 in words is "two billion, two hundred thirty-eight million, four hundred thirty-three thousand, two hundred eighty".