33411225 has 48 divisors (see below), whose sum is σ = 57506240. Its totient is φ = 17107200.

The previous prime is 33411199. The next prime is 33411229. The reversal of 33411225 is 52211433.

33411225 is a nontrivial binomial coefficient, being equal to C(8175, 2).

It is not a de Polignac number, because 33411225 - 2⁵ = 33411193 is a prime.

It is a super-2 number, since 2×33411225² = 2232619912001250, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33411229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 306471 + ... + 306579.

Almost surely, 2^33411225 is an apocalyptic number.

33411225 is the 8174-th triangular number.

It is an amenable number.

33411225 is a deficient number, since it is larger than the sum of its proper divisors (24095015).

33411225 is a wasteful number, since it uses less digits than its factorization.

33411225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 245 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 33411225 is about 5780.2443719967. The cubic root of 33411225 is about 322.0802784550.

Adding to 33411225 its reverse (52211433), we get a palindrome (85622658).

The spelling of 33411225 in words is "thirty-three million, four hundred eleven thousand, two hundred twenty-five".