33329225 has 6 divisors (see below), whose sum is σ = 41328270. Its totient is φ = 26663360.

The previous prime is 33329213. The next prime is 33329227. The reversal of 33329225 is 52292333.

It can be written as a sum of positive squares in 3 ways, for example, as 6538249 + 26790976 = 2557^2 + 5176^2 .

It is not a de Polignac number, because 33329225 - 2⁶ = 33329161 is a prime.

It is a super-2 number, since 2×33329225² = 2221674478201250, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33329227) 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, 666560 + ... + 666609.

It is an arithmetic number, because the mean of its divisors is an integer number (6888045).

Almost surely, 2^33329225 is an apocalyptic number.

It is an amenable number.

33329225 is a deficient number, since it is larger than the sum of its proper divisors (7999045).

33329225 is a wasteful number, since it uses less digits than its factorization.

33329225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333179 (or 1333174 counting only the distinct ones).

The product of its digits is 9720, while the sum is 29.

The square root of 33329225 is about 5773.1468888293. The cubic root of 33329225 is about 321.8165724846.

The spelling of 33329225 in words is "thirty-three million, three hundred twenty-nine thousand, two hundred twenty-five".