33224225 has 6 divisors (see below), whose sum is σ = 41198070. Its totient is φ = 26579360.

The previous prime is 33224221. The next prime is 33224267. The reversal of 33224225 is 52242233.

It can be written as a sum of positive squares in 3 ways, for example, as 529 + 33223696 = 23^2 + 5764^2 .

It is not a de Polignac number, because 33224225 - 2² = 33224221 is a prime.

It is a super-2 number, since 2×33224225² = 2207698253701250, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 33224225.

It is not an unprimeable number, because it can be changed into a prime (33224221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 664460 + ... + 664509.

It is an arithmetic number, because the mean of its divisors is an integer number (6866345).

Almost surely, 2^33224225 is an apocalyptic number.

It is an amenable number.

33224225 is a deficient number, since it is larger than the sum of its proper divisors (7973845).

33224225 is a wasteful number, since it uses less digits than its factorization.

33224225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328979 (or 1328974 counting only the distinct ones).

The product of its digits is 2880, while the sum is 23.

The square root of 33224225 is about 5764.0458880894. The cubic root of 33224225 is about 321.4782679186.

Adding to 33224225 its reverse (52242233), we get a palindrome (85466458).

The spelling of 33224225 in words is "thirty-three million, two hundred twenty-four thousand, two hundred twenty-five".