2238863724 is a `hidden beast` number, since 2 + 2 + 3 + 8 + 8 + 637 + 2 + 4 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 2238863724.
It is an unprimeable number.
Almost surely, 22238863724 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 2238863724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2887981824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2238863724 is a wasteful number, since it uses less digits than its factorization.
2238863724 is an odious number, because the sum of its binary digits is odd.
The square root of 2238863724 is about 47316.6326358924. The cubic root of 2238863724 is about 1308.2052465281.
The spelling of 2238863724 in words is "two billion, two hundred thirty-eight million, eight hundred sixty-three thousand, seven hundred twenty-four".