2220320112217 has 2 divisors, whose sum is σ = 2220320112218. Its totient is φ = 2220320112216.

The previous prime is 2220320112211. The next prime is 2220320112233. The reversal of 2220320112217 is 7122110230222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2087400806656 + 132919305561 = 1444784^2 + 364581^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2220320112217 is a prime.

It is a super-2 number, since 2×2220320112217² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2220320112191 and 2220320112200.

It is not a weakly prime, because it can be changed into another prime (2220320112211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110160056108 + 1110160056109.

It is an arithmetic number, because the mean of its divisors is an integer number (1110160056109).

Almost surely, 2^{2220320112217} is an apocalyptic number.

It is an amenable number.

2220320112217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220320112217 is an equidigital number, since it uses as much as digits as its factorization.

2220320112217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 2220320112217 its reverse (7122110230222), we get a palindrome (9342430342439).

The spelling of 2220320112217 in words is "two trillion, two hundred twenty billion, three hundred twenty million, one hundred twelve thousand, two hundred seventeen".