331223122 has 8 divisors (see below), whose sum is σ = 499580172. Its totient is φ = 164696400.

The previous prime is 331223117. The next prime is 331223131. The reversal of 331223122 is 221322133.

It can be written as a sum of positive squares in 2 ways, for example, as 199685161 + 131537961 = 14131^2 + 11469^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 331223122.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 457129 + ... + 457852.

Almost surely, 2^331223122 is an apocalyptic number.

331223122 is a deficient number, since it is larger than the sum of its proper divisors (168357050).

331223122 is a wasteful number, since it uses less digits than its factorization.

331223122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915164.

The product of its digits is 432, while the sum is 19.

The square root of 331223122 is about 18199.5363127746. The cubic root of 331223122 is about 691.8950370943.

Adding to 331223122 its reverse (221322133), we get a palindrome (552545255).

The spelling of 331223122 in words is "three hundred thirty-one million, two hundred twenty-three thousand, one hundred twenty-two".