2239828117 has 2 divisors, whose sum is σ = 2239828118. Its totient is φ = 2239828116.

The previous prime is 2239828103. The next prime is 2239828139. The reversal of 2239828117 is 7118289322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2239750276 + 77841 = 47326^2 + 279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2239828117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2239828517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119914058 + 1119914059.

It is an arithmetic number, because the mean of its divisors is an integer number (1119914059).

Almost surely, 2^2239828117 is an apocalyptic number.

It is an amenable number.

2239828117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2239828117 is an equidigital number, since it uses as much as digits as its factorization.

2239828117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 43.

The square root of 2239828117 is about 47326.8223843520. The cubic root of 2239828117 is about 1308.3930565116.

The spelling of 2239828117 in words is "two billion, two hundred thirty-nine million, eight hundred twenty-eight thousand, one hundred seventeen".