33450225 has 12 divisors (see below), whose sum is σ = 55304496. Its totient is φ = 17840080.

The previous prime is 33450199. The next prime is 33450239. The reversal of 33450225 is 52205433.

It is not a de Polignac number, because 33450225 - 2⁷ = 33450097 is a prime.

It is a super-2 number, since 2×33450225² = 2237835105101250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33450195 and 33450204.

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, 222927 + ... + 223076.

It is an arithmetic number, because the mean of its divisors is an integer number (4608708).

Almost surely, 2^33450225 is an apocalyptic number.

It is an amenable number.

33450225 is a deficient number, since it is larger than the sum of its proper divisors (21854271).

33450225 is a wasteful number, since it uses less digits than its factorization.

33450225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446016 (or 446011 counting only the distinct ones).

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

The square root of 33450225 is about 5783.6169478969. The cubic root of 33450225 is about 322.2055481969.

Adding to 33450225 its reverse (52205433), we get a palindrome (85655658).

The spelling of 33450225 in words is "thirty-three million, four hundred fifty thousand, two hundred twenty-five".