2238907871 has 4 divisors (see below), whose sum is σ = 2370608352. Its totient is φ = 2107207392.

The previous prime is 2238907849. The next prime is 2238907873. The reversal of 2238907871 is 1787098322.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2238907871 - 2¹⁸ = 2238645727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238907873) 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 3 ways as a sum of consecutive naturals, for example, 65850215 + ... + 65850248.

It is an arithmetic number, because the mean of its divisors is an integer number (592652088).

Almost surely, 2^2238907871 is an apocalyptic number.

2238907871 is a deficient number, since it is larger than the sum of its proper divisors (131700481).

2238907871 is a wasteful number, since it uses less digits than its factorization.

2238907871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131700480.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 2238907871 is about 47317.0991397402. The cubic root of 2238907871 is about 1308.2138450800.

The spelling of 2238907871 in words is "two billion, two hundred thirty-eight million, nine hundred seven thousand, eight hundred seventy-one".