329672225 has 12 divisors (see below), whose sum is σ = 426567936. Its totient is φ = 252270480.

The previous prime is 329672221. The next prime is 329672263. The reversal of 329672225 is 522276923.

It is not a de Polignac number, because 329672225 - 2² = 329672221 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (329672221) by changing a digit.

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, 286097 + ... + 287246.

It is an arithmetic number, because the mean of its divisors is an integer number (35547328).

Almost surely, 2^329672225 is an apocalyptic number.

It is an amenable number.

329672225 is a deficient number, since it is larger than the sum of its proper divisors (96895711).

329672225 is a wasteful number, since it uses less digits than its factorization.

329672225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573376 (or 573371 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 329672225 is about 18156.8781732984. The cubic root of 329672225 is about 690.8134528679.

The spelling of 329672225 in words is "three hundred twenty-nine million, six hundred seventy-two thousand, two hundred twenty-five".