2238971121 has 12 divisors (see below), whose sum is σ = 3321477172. Its totient is φ = 1452305376.

The previous prime is 2238971107. The next prime is 2238971123. The reversal of 2238971121 is 1211798322.

It can be written as a sum of positive squares in 2 ways, for example, as 1774094400 + 464876721 = 42120^2 + 21561^2 .

It is not a de Polignac number, because 2238971121 - 2⁶ = 2238971057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2238971123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3361486 + ... + 3362151.

Almost surely, 2^2238971121 is an apocalyptic number.

It is an amenable number.

2238971121 is a deficient number, since it is larger than the sum of its proper divisors (1082506051).

2238971121 is a wasteful number, since it uses less digits than its factorization.

2238971121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6723680 (or 6723677 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 2238971121 is about 47317.7674980551. The cubic root of 2238971121 is about 1308.2261641438.

The spelling of 2238971121 in words is "two billion, two hundred thirty-eight million, nine hundred seventy-one thousand, one hundred twenty-one".