2238863724 has 72 divisors (see below), whose sum is σ = 5775963648. Its totient is φ = 731013120.

The previous prime is 2238863701. The next prime is 2238863743. The reversal of 2238863724 is 4273688322.

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.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 562389 + ... + 566355.

Almost surely, 2^2238863724 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).

2238863724 is an abundant number, since it is smaller than the sum of its proper divisors (3537099924).

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 sum of its prime factors is 4295 (or 4290 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

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".