331222033 has 6 divisors (see below), whose sum is σ = 351852086. Its totient is φ = 311738112.

The previous prime is 331222027. The next prime is 331222037. The reversal of 331222033 is 330222133.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 35141184 + 296080849 = 5928^2 + 17207^2 .

It is not a de Polignac number, because 331222033 - 2¹⁷ = 331090961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331222033.

It is not an unprimeable number, because it can be changed into a prime (331222037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 572760 + ... + 573337.

Almost surely, 2^331222033 is an apocalyptic number.

It is an amenable number.

331222033 is a deficient number, since it is larger than the sum of its proper divisors (20630053).

331222033 is a wasteful number, since it uses less digits than its factorization.

331222033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146131 (or 1146114 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 331222033 is about 18199.5063944053. The cubic root of 331222033 is about 691.8942788195.

Adding to 331222033 its reverse (330222133), we get a palindrome (661444166).

The spelling of 331222033 in words is "three hundred thirty-one million, two hundred twenty-two thousand, thirty-three".