2238738843 has 16 divisors (see below), whose sum is σ = 3302214912. Its totient is φ = 1337700000.

The previous prime is 2238738809. The next prime is 2238738883. The reversal of 2238738843 is 3488378322.

It is not a de Polignac number, because 2238738843 - 2⁹ = 2238738331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2238738792 and 2238738801.

It is not an unprimeable number, because it can be changed into a prime (2238738883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475408 + ... + 480093.

It is an arithmetic number, because the mean of its divisors is an integer number (206388432).

Almost surely, 2^2238738843 is an apocalyptic number.

2238738843 is a deficient number, since it is larger than the sum of its proper divisors (1063476069).

2238738843 is a wasteful number, since it uses less digits than its factorization.

2238738843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955586.

The product of its digits is 1548288, while the sum is 48.

The square root of 2238738843 is about 47315.3129863895. The cubic root of 2238738843 is about 1308.1809227286.

The spelling of 2238738843 in words is "two billion, two hundred thirty-eight million, seven hundred thirty-eight thousand, eight hundred forty-three".