33108225 has 12 divisors (see below), whose sum is σ = 54739056. Its totient is φ = 17657680.

The previous prime is 33108211. The next prime is 33108233. The reversal of 33108225 is 52280133.

It is not a de Polignac number, because 33108225 - 2⁵ = 33108193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33108195 and 33108204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220647 + ... + 220796.

It is an arithmetic number, because the mean of its divisors is an integer number (4561588).

Almost surely, 2^33108225 is an apocalyptic number.

It is an amenable number.

33108225 is a deficient number, since it is larger than the sum of its proper divisors (21630831).

33108225 is a wasteful number, since it uses less digits than its factorization.

33108225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441456 (or 441451 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 33108225 is about 5753.9747131874. The cubic root of 33108225 is about 321.1036922023.

Adding to 33108225 its reverse (52280133), we get a palindrome (85388358).

It can be divided in two parts, 33108 and 225, that added together give a palindrome (33333).

The spelling of 33108225 in words is "thirty-three million, one hundred eight thousand, two hundred twenty-five".