223220002217 has 2 divisors, whose sum is σ = 223220002218. Its totient is φ = 223220002216.

The previous prime is 223220002189. The next prime is 223220002237. The reversal of 223220002217 is 712200022322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207502114576 + 15717887641 = 455524^2 + 125371^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223220002217 is a prime.

It is a super-3 number, since 3×223220002217³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223220002192 and 223220002201.

It is not a weakly prime, because it can be changed into another prime (223220002237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111610001108 + 111610001109.

It is an arithmetic number, because the mean of its divisors is an integer number (111610001109).

Almost surely, 2^223220002217 is an apocalyptic number.

It is an amenable number.

223220002217 is a deficient number, since it is larger than the sum of its proper divisors (1).

223220002217 is an equidigital number, since it uses as much as digits as its factorization.

223220002217 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 23.

Adding to 223220002217 its reverse (712200022322), we get a palindrome (935420024539).

The spelling of 223220002217 in words is "two hundred twenty-three billion, two hundred twenty million, two thousand, two hundred seventeen".