2238432847 has 24 divisors (see below), whose sum is σ = 2646332160. Its totient is φ = 1887565680.

The previous prime is 2238432839. The next prime is 2238432877. The reversal of 2238432847 is 7482348322.

It is a happy number.

It is not a de Polignac number, because 2238432847 - 2³ = 2238432839 is a prime.

It is a super-2 number, since 2×2238432847² = 10021163221057050818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238432827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1280428 + ... + 1282174.

It is an arithmetic number, because the mean of its divisors is an integer number (110263840).

Almost surely, 2^2238432847 is an apocalyptic number.

2238432847 is a deficient number, since it is larger than the sum of its proper divisors (407899313).

2238432847 is a wasteful number, since it uses less digits than its factorization.

2238432847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171 (or 2164 counting only the distinct ones).

The product of its digits is 516096, while the sum is 43.

The square root of 2238432847 is about 47312.0792927134. The cubic root of 2238432847 is about 1308.1213182821.

The spelling of 2238432847 in words is "two billion, two hundred thirty-eight million, four hundred thirty-two thousand, eight hundred forty-seven".