2272321717 has 2 divisors, whose sum is σ = 2272321718. Its totient is φ = 2272321716.

The previous prime is 2272321703. The next prime is 2272321747. The reversal of 2272321717 is 7171232722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1831069681 + 441252036 = 42791^2 + 21006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2272321717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2272321747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136160858 + 1136160859.

It is an arithmetic number, because the mean of its divisors is an integer number (1136160859).

Almost surely, 2^2272321717 is an apocalyptic number.

It is an amenable number.

2272321717 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272321717 is an equidigital number, since it uses as much as digits as its factorization.

2272321717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16464, while the sum is 34.

The square root of 2272321717 is about 47668.8757681572. The cubic root of 2272321717 is about 1314.6897381341.

The spelling of 2272321717 in words is "two billion, two hundred seventy-two million, three hundred twenty-one thousand, seven hundred seventeen".