33252225 has 12 divisors (see below), whose sum is σ = 54977136. Its totient is φ = 17734480.

The previous prime is 33252203. The next prime is 33252239. The reversal of 33252225 is 52225233.

It is not a de Polignac number, because 33252225 - 2⁷ = 33252097 is a prime.

It is a super-2 number, since 2×33252225² = 2211420934901250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33252195 and 33252204.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221607 + ... + 221756.

It is an arithmetic number, because the mean of its divisors is an integer number (4581428).

Almost surely, 2^33252225 is an apocalyptic number.

It is an amenable number.

33252225 is a deficient number, since it is larger than the sum of its proper divisors (21724911).

33252225 is a wasteful number, since it uses less digits than its factorization.

33252225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443376 (or 443371 counting only the distinct ones).

The product of its digits is 3600, while the sum is 24.

The square root of 33252225 is about 5766.4742260761. The cubic root of 33252225 is about 321.5685520814.

Adding to 33252225 its reverse (52225233), we get a palindrome (85477458).

The spelling of 33252225 in words is "thirty-three million, two hundred fifty-two thousand, two hundred twenty-five".