2238310817 has 2 divisors, whose sum is σ = 2238310818. Its totient is φ = 2238310816.

The previous prime is 2238310813. The next prime is 2238310859. The reversal of 2238310817 is 7180138322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1470799201 + 767511616 = 38351^2 + 27704^2 .

It is a cyclic number.

It is not a de Polignac number, because 2238310817 - 2² = 2238310813 is a prime.

It is not a weakly prime, because it can be changed into another prime (2238310813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119155408 + 1119155409.

It is an arithmetic number, because the mean of its divisors is an integer number (1119155409).

Almost surely, 2^2238310817 is an apocalyptic number.

It is an amenable number.

2238310817 is a deficient number, since it is larger than the sum of its proper divisors (1).

2238310817 is an equidigital number, since it uses as much as digits as its factorization.

2238310817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 2238310817 is about 47310.7896467603. The cubic root of 2238310817 is about 1308.0975467485.

The spelling of 2238310817 in words is "two billion, two hundred thirty-eight million, three hundred ten thousand, eight hundred seventeen".