2238990912 has 84 divisors (see below), whose sum is σ = 6455046780. Its totient is φ = 741983232.

The previous prime is 2238990911. The next prime is 2238990947. The reversal of 2238990912 is 2190998322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1884949056 + 354041856 = 43416^2 + 18816^2 .

It is not an unprimeable number, because it can be changed into a prime (2238990911) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 88414 + ... + 110882.

It is an arithmetic number, because the mean of its divisors is an integer number (76845795).

Almost surely, 2^2238990912 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 2238990912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3227523390).

2238990912 is an abundant number, since it is smaller than the sum of its proper divisors (4216055868).

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

2238990912 is a wasteful number, since it uses less digits than its factorization.

2238990912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22660 (or 22647 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 2238990912 is about 47317.9766262253. The cubic root of 2238990912 is about 1308.2300187458.

The spelling of 2238990912 in words is "two billion, two hundred thirty-eight million, nine hundred ninety thousand, nine hundred twelve".