2238448379 has 2 divisors, whose sum is σ = 2238448380. Its totient is φ = 2238448378.

The previous prime is 2238448369. The next prime is 2238448393. The reversal of 2238448379 is 9738448322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2238448379 - 2⁴ = 2238448363 is a prime.

It is a super-2 number, since 2×2238448379² = 10021302290895455282, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2238448309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119224189 + 1119224190.

It is an arithmetic number, because the mean of its divisors is an integer number (1119224190).

Almost surely, 2^2238448379 is an apocalyptic number.

2238448379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2238448379 is an equidigital number, since it uses as much as digits as its factorization.

2238448379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 50.

The square root of 2238448379 is about 47312.2434365567. The cubic root of 2238448379 is about 1308.1243438652.

The spelling of 2238448379 in words is "two billion, two hundred thirty-eight million, four hundred forty-eight thousand, three hundred seventy-nine".