33166225 has 6 divisors (see below), whose sum is σ = 41126150. Its totient is φ = 26532960.

The previous prime is 33166223. The next prime is 33166241. The reversal of 33166225 is 52266133.

It can be written as a sum of positive squares in 3 ways, for example, as 144 + 33166081 = 12^2 + 5759^2 .

It is not a de Polignac number, because 33166225 - 2¹ = 33166223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33166193 and 33166202.

It is not an unprimeable number, because it can be changed into a prime (33166223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 663300 + ... + 663349.

Almost surely, 2^33166225 is an apocalyptic number.

It is an amenable number.

33166225 is a deficient number, since it is larger than the sum of its proper divisors (7959925).

33166225 is a wasteful number, since it uses less digits than its factorization.

33166225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326659 (or 1326654 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 33166225 is about 5759.0125021569. The cubic root of 33166225 is about 321.2910892347.

The spelling of 33166225 in words is "thirty-three million, one hundred sixty-six thousand, two hundred twenty-five".