33222243361 has 2 divisors, whose sum is σ = 33222243362. Its totient is φ = 33222243360.

The previous prime is 33222243359. The next prime is 33222243409. The reversal of 33222243361 is 16334222233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33191374225 + 30869136 = 182185^2 + 5556^2 .

It is a cyclic number.

It is not a de Polignac number, because 33222243361 - 2¹ = 33222243359 is a prime.

It is a super-2 number, since 2×33222243361² (a number of 22 digits) contains 22 as substring.

Together with 33222243359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (33222243331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16611121680 + 16611121681.

It is an arithmetic number, because the mean of its divisors is an integer number (16611121681).

Almost surely, 2^33222243361 is an apocalyptic number.

It is an amenable number.

33222243361 is a deficient number, since it is larger than the sum of its proper divisors (1).

33222243361 is an equidigital number, since it uses as much as digits as its factorization.

33222243361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 31.

Adding to 33222243361 its reverse (16334222233), we get a palindrome (49556465594).

The spelling of 33222243361 in words is "thirty-three billion, two hundred twenty-two million, two hundred forty-three thousand, three hundred sixty-one".