329771228 has 12 divisors (see below), whose sum is σ = 579231072. Its totient is φ = 164276640.

The previous prime is 329771227. The next prime is 329771231. The reversal of 329771228 is 822177923.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329771227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151025 + ... + 153192.

It is an arithmetic number, because the mean of its divisors is an integer number (48269256).

Almost surely, 2^329771228 is an apocalyptic number.

It is an amenable number.

329771228 is a deficient number, since it is larger than the sum of its proper divisors (249459844).

329771228 is a wasteful number, since it uses less digits than its factorization.

329771228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304492 (or 304490 counting only the distinct ones).

The product of its digits is 84672, while the sum is 41.

The square root of 329771228 is about 18159.6042908429. The cubic root of 329771228 is about 690.8825980713.

The spelling of 329771228 in words is "three hundred twenty-nine million, seven hundred seventy-one thousand, two hundred twenty-eight".