33322221937 has 2 divisors, whose sum is σ = 33322221938. Its totient is φ = 33322221936.

The previous prime is 33322221923. The next prime is 33322221967. The reversal of 33322221937 is 73912222333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26309164401 + 7013057536 = 162201^2 + 83744^2 .

It is a cyclic number.

It is not a de Polignac number, because 33322221937 - 2⁷ = 33322221809 is a prime.

It is a super-2 number, since 2×33322221937² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33322221896 and 33322221905.

It is not a weakly prime, because it can be changed into another prime (33322221967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16661110968 + 16661110969.

It is an arithmetic number, because the mean of its divisors is an integer number (16661110969).

Almost surely, 2^33322221937 is an apocalyptic number.

It is an amenable number.

33322221937 is a deficient number, since it is larger than the sum of its proper divisors (1).

33322221937 is an equidigital number, since it uses as much as digits as its factorization.

33322221937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 37.

The spelling of 33322221937 in words is "thirty-three billion, three hundred twenty-two million, two hundred twenty-one thousand, nine hundred thirty-seven".