33112210225 has 6 divisors (see below), whose sum is σ = 41059140710. Its totient is φ = 26489768160.

The previous prime is 33112210223. The next prime is 33112210249. The reversal of 33112210225 is 52201221133.

It can be written as a sum of positive squares in 3 ways, for example, as 8502130849 + 24610079376 = 92207^2 + 156876^2 .

It is not a de Polignac number, because 33112210225 - 2¹ = 33112210223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33112210196 and 33112210205.

It is not an unprimeable number, because it can be changed into a prime (33112210223) 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 in 5 ways as a sum of consecutive naturals, for example, 662244180 + ... + 662244229.

Almost surely, 2^33112210225 is an apocalyptic number.

It is an amenable number.

33112210225 is a deficient number, since it is larger than the sum of its proper divisors (7946930485).

33112210225 is a wasteful number, since it uses less digits than its factorization.

33112210225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324488419 (or 1324488414 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 33112210225 its reverse (52201221133), we get a palindrome (85313431358).

The spelling of 33112210225 in words is "thirty-three billion, one hundred twelve million, two hundred ten thousand, two hundred twenty-five".