331641224 has 16 divisors (see below), whose sum is σ = 641886720. Its totient is φ = 160471440.

The previous prime is 331641217. The next prime is 331641227. The reversal of 331641224 is 422146133.

It is a junction number, because it is equal to n+sod(n) for n = 331641193 and 331641202.

It is not an unprimeable number, because it can be changed into a prime (331641227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668384 + ... + 668879.

It is an arithmetic number, because the mean of its divisors is an integer number (40117920).

Almost surely, 2^331641224 is an apocalyptic number.

It is an amenable number.

331641224 is a deficient number, since it is larger than the sum of its proper divisors (310245496).

331641224 is a wasteful number, since it uses less digits than its factorization.

331641224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337300 (or 1337296 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 331641224 is about 18211.0193015108. The cubic root of 331641224 is about 692.1860403936.

Adding to 331641224 its reverse (422146133), we get a palindrome (753787357).

The spelling of 331641224 in words is "three hundred thirty-one million, six hundred forty-one thousand, two hundred twenty-four".