2438483221 has 2 divisors, whose sum is σ = 2438483222. Its totient is φ = 2438483220.

The previous prime is 2438483147. The next prime is 2438483227. The reversal of 2438483221 is 1223848342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1910127025 + 528356196 = 43705^2 + 22986^2 .

It is a cyclic number.

It is not a de Polignac number, because 2438483221 - 2²³ = 2430094613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2438483227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1219241610 + 1219241611.

It is an arithmetic number, because the mean of its divisors is an integer number (1219241611).

Almost surely, 2^2438483221 is an apocalyptic number.

It is an amenable number.

2438483221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2438483221 is an equidigital number, since it uses as much as digits as its factorization.

2438483221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73728, while the sum is 37.

The square root of 2438483221 is about 49381.0006075211. Note that the first 3 decimals coincide. The cubic root of 2438483221 is about 1345.9840821219.

The spelling of 2438483221 in words is "two billion, four hundred thirty-eight million, four hundred eighty-three thousand, two hundred twenty-one".