222002232217 has 2 divisors, whose sum is σ = 222002232218. Its totient is φ = 222002232216.

The previous prime is 222002232139. The next prime is 222002232227. The reversal of 222002232217 is 712232200222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137649162121 + 84353070096 = 371011^2 + 290436^2 .

It is a cyclic number.

It is not a de Polignac number, because 222002232217 - 2¹⁵ = 222002199449 is a prime.

It is a super-2 number, since 2×222002232217² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222002232191 and 222002232200.

It is not a weakly prime, because it can be changed into another prime (222002232227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111001116108 + 111001116109.

It is an arithmetic number, because the mean of its divisors is an integer number (111001116109).

Almost surely, 2^222002232217 is an apocalyptic number.

It is an amenable number.

222002232217 is a deficient number, since it is larger than the sum of its proper divisors (1).

222002232217 is an equidigital number, since it uses as much as digits as its factorization.

222002232217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

Adding to 222002232217 its reverse (712232200222), we get a palindrome (934234432439).

The spelling of 222002232217 in words is "two hundred twenty-two billion, two million, two hundred thirty-two thousand, two hundred seventeen".