331224652 has 48 divisors (see below), whose sum is σ = 647980704. Its totient is φ = 146880000.

The previous prime is 331224637. The next prime is 331224653. The reversal of 331224652 is 256422133.

It is a super-2 number, since 2×331224652² = 219419540185042208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331224652.

It is not an unprimeable number, because it can be changed into a prime (331224653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323902 + ... + 324922.

It is an arithmetic number, because the mean of its divisors is an integer number (13499598).

Almost surely, 2^331224652 is an apocalyptic number.

It is an amenable number.

331224652 is a deficient number, since it is larger than the sum of its proper divisors (316756052).

331224652 is a wasteful number, since it uses less digits than its factorization.

331224652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210 (or 1208 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 331224652 is about 18199.5783467640. The cubic root of 331224652 is about 691.8961024364.

Adding to 331224652 its reverse (256422133), we get a palindrome (587646785).

The spelling of 331224652 in words is "three hundred thirty-one million, two hundred twenty-four thousand, six hundred fifty-two".