331347225 has 48 divisors (see below), whose sum is σ = 601015104. Its totient is φ = 159744000.

The previous prime is 331347217. The next prime is 331347259. The reversal of 331347225 is 522743133.

It is not a de Polignac number, because 331347225 - 2³ = 331347217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331347192 and 331347201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 158185 + ... + 160265.

It is an arithmetic number, because the mean of its divisors is an integer number (12521148).

Almost surely, 2^331347225 is an apocalyptic number.

It is an amenable number.

331347225 is a deficient number, since it is larger than the sum of its proper divisors (269667879).

331347225 is a wasteful number, since it uses less digits than its factorization.

331347225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298 (or 2293 counting only the distinct ones).

The product of its digits is 15120, while the sum is 30.

The square root of 331347225 is about 18202.9455034069. The cubic root of 331347225 is about 691.9814396049.

The spelling of 331347225 in words is "three hundred thirty-one million, three hundred forty-seven thousand, two hundred twenty-five".