331022242 has 8 divisors (see below), whose sum is σ = 496723500. Its totient is φ = 165447744.

The previous prime is 331022231. The next prime is 331022261. The reversal of 331022242 is 242220133.

It can be written as a sum of positive squares in 2 ways, for example, as 247464361 + 83557881 = 15731^2 + 9141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 24867 + ... + 35782.

Almost surely, 2^331022242 is an apocalyptic number.

331022242 is a deficient number, since it is larger than the sum of its proper divisors (165701258).

331022242 is a wasteful number, since it uses less digits than its factorization.

331022242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63380.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 331022242 is about 18194.0166538343. The cubic root of 331022242 is about 691.7551354459.

Adding to 331022242 its reverse (242220133), we get a palindrome (573242375).

It can be divided in two parts, 33102 and 2242, that added together give a square (35344 = 188²).

The spelling of 331022242 in words is "three hundred thirty-one million, twenty-two thousand, two hundred forty-two".