33542122217 has 2 divisors, whose sum is σ = 33542122218. Its totient is φ = 33542122216.

The previous prime is 33542122199. The next prime is 33542122253. The reversal of 33542122217 is 71222124533.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33534399376 + 7722841 = 183124^2 + 2779^2 .

It is a cyclic number.

It is not a de Polignac number, because 33542122217 - 2²⁰ = 33541073641 is a prime.

It is a super-2 number, since 2×33542122217² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33542122267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16771061108 + 16771061109.

It is an arithmetic number, because the mean of its divisors is an integer number (16771061109).

Almost surely, 2^33542122217 is an apocalyptic number.

It is an amenable number.

33542122217 is a deficient number, since it is larger than the sum of its proper divisors (1).

33542122217 is an equidigital number, since it uses as much as digits as its factorization.

33542122217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 32.

The spelling of 33542122217 in words is "thirty-three billion, five hundred forty-two million, one hundred twenty-two thousand, two hundred seventeen".