331222244 has 6 divisors (see below), whose sum is σ = 579638934. Its totient is φ = 165611120.

The previous prime is 331222189. The next prime is 331222267. The reversal of 331222244 is 442222133.

It can be written as a sum of positive squares in only one way, i.e., 208455844 + 122766400 = 14438^2 + 11080^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41402777 + ... + 41402784.

It is an arithmetic number, because the mean of its divisors is an integer number (96606489).

Almost surely, 2^331222244 is an apocalyptic number.

It is an amenable number.

331222244 is a deficient number, since it is larger than the sum of its proper divisors (248416690).

331222244 is a wasteful number, since it uses less digits than its factorization.

331222244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82805565 (or 82805563 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 331222244 is about 18199.5121912649. The cubic root of 331222244 is about 691.8944257397.

Adding to 331222244 its reverse (442222133), we get a palindrome (773444377).

The spelling of 331222244 in words is "three hundred thirty-one million, two hundred twenty-two thousand, two hundred forty-four".