2238045992 has 144 divisors (see below), whose sum is σ = 5443884180. Its totient is φ = 854945280.

The previous prime is 2238045989. The next prime is 2238046001. The reversal of 2238045992 is 2995408322.

2238045992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2237857636 + 188356 = 47306^2 + 434^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4897028 + ... + 4897484.

Almost surely, 2^2238045992 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 2238045992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2721942090).

2238045992 is an abundant number, since it is smaller than the sum of its proper divisors (3205838188).

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

2238045992 is a wasteful number, since it uses less digits than its factorization.

2238045992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 2238045992 is about 47307.9907837989. The cubic root of 2238045992 is about 1308.0459556717.

The spelling of 2238045992 in words is "two billion, two hundred thirty-eight million, forty-five thousand, nine hundred ninety-two".