331267228 has 6 divisors (see below), whose sum is σ = 579717656. Its totient is φ = 165633612.

The previous prime is 331267213. The next prime is 331267231. The reversal of 331267228 is 822762133.

It is a junction number, because it is equal to n+sod(n) for n = 331267193 and 331267202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41408400 + ... + 41408407.

Almost surely, 2^331267228 is an apocalyptic number.

It is an amenable number.

331267228 is a deficient number, since it is larger than the sum of its proper divisors (248450428).

331267228 is a wasteful number, since it uses less digits than its factorization.

331267228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82816811 (or 82816809 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 331267228 is about 18200.7480066068. The cubic root of 331267228 is about 691.9257468748.

The spelling of 331267228 in words is "three hundred thirty-one million, two hundred sixty-seven thousand, two hundred twenty-eight".