33322221137 has 2 divisors, whose sum is σ = 33322221138. Its totient is φ = 33322221136.

The previous prime is 33322221133. The next prime is 33322221139. The reversal of 33322221137 is 73112222333.

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., 28955786896 + 4366434241 = 170164^2 + 66079^2 .

It is a cyclic number.

It is not a de Polignac number, because 33322221137 - 2² = 33322221133 is a prime.

It is a super-2 number, since 2×33322221137² (a number of 22 digits) contains 22 as substring.

Together with 33322221139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33322221133) 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, 16661110568 + 16661110569.

It is an arithmetic number, because the mean of its divisors is an integer number (16661110569).

Almost surely, 2^33322221137 is an apocalyptic number.

It is an amenable number.

33322221137 is a deficient number, since it is larger than the sum of its proper divisors (1).

33322221137 is an equidigital number, since it uses as much as digits as its factorization.

33322221137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 29.

The spelling of 33322221137 in words is "thirty-three billion, three hundred twenty-two million, two hundred twenty-one thousand, one hundred thirty-seven".