32221221222217 has 2 divisors, whose sum is σ = 32221221222218. Its totient is φ = 32221221222216.

The previous prime is 32221221222161. The next prime is 32221221222299. The reversal of 32221221222217 is 71222212212223.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30792022491136 + 1429198731081 = 5549056^2 + 1195491^2 .

It is a cyclic number.

It is not a de Polignac number, because 32221221222217 - 2²⁷ = 32221087004489 is a prime.

It is not a weakly prime, because it can be changed into another prime (32221221222017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16110610611108 + 16110610611109.

It is an arithmetic number, because the mean of its divisors is an integer number (16110610611109).

Almost surely, 2^{32221221222217} is an apocalyptic number.

It is an amenable number.

32221221222217 is a deficient number, since it is larger than the sum of its proper divisors (1).

32221221222217 is an equidigital number, since it uses as much as digits as its factorization.

32221221222217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 31.

The spelling of 32221221222217 in words is "thirty-two trillion, two hundred twenty-one billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred seventeen".