33245225 has 12 divisors (see below), whose sum is σ = 44395596. Its totient is φ = 24550080.

The previous prime is 33245167. The next prime is 33245239. The reversal of 33245225 is 52254233.

It can be written as a sum of positive squares in 6 ways, for example, as 9078169 + 24167056 = 3013^2 + 4916^2 .

It is not a de Polignac number, because 33245225 - 2⁶ = 33245161 is a prime.

It is a super-2 number, since 2×33245225² = 2210489970601250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33245194 and 33245203.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 50822 + ... + 51471.

It is an arithmetic number, because the mean of its divisors is an integer number (3699633).

Almost surely, 2^33245225 is an apocalyptic number.

It is an amenable number.

33245225 is a deficient number, since it is larger than the sum of its proper divisors (11150371).

33245225 is a wasteful number, since it uses less digits than its factorization.

33245225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102316 (or 102311 counting only the distinct ones).

The product of its digits is 7200, while the sum is 26.

The square root of 33245225 is about 5765.8672374587. The cubic root of 33245225 is about 321.5459857936.

Adding to 33245225 its reverse (52254233), we get a palindrome (85499458).

The spelling of 33245225 in words is "thirty-three million, two hundred forty-five thousand, two hundred twenty-five".