332217217 has 2 divisors, whose sum is σ = 332217218. Its totient is φ = 332217216.

The previous prime is 332217169. The next prime is 332217253. The reversal of 332217217 is 712712233.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 332114176 + 103041 = 18224^2 + 321^2 .

It is a cyclic number.

It is not a de Polignac number, because 332217217 - 2¹⁵ = 332184449 is a prime.

It is a super-2 number, since 2×332217217² = 220736558542450178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (332217317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166108608 + 166108609.

It is an arithmetic number, because the mean of its divisors is an integer number (166108609).

Almost surely, 2^332217217 is an apocalyptic number.

It is an amenable number.

332217217 is a deficient number, since it is larger than the sum of its proper divisors (1).

332217217 is an equidigital number, since it uses as much as digits as its factorization.

332217217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 28.

The square root of 332217217 is about 18226.8268494546. The cubic root of 332217217 is about 692.5865371661.

The spelling of 332217217 in words is "three hundred thirty-two million, two hundred seventeen thousand, two hundred seventeen".