331222221333 has 16 divisors (see below), whose sum is σ = 491284483200. Its totient is φ = 220551611040.

The previous prime is 331222221331. The next prime is 331222221347. The reversal of 331222221333 is 333122222133.

It is not a de Polignac number, because 331222221333 - 2¹ = 331222221331 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 331222221297 and 331222221306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331222221331) 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, 7288128 + ... + 7333433.

It is an arithmetic number, because the mean of its divisors is an integer number (30705280200).

Almost surely, 2^331222221333 is an apocalyptic number.

It is an amenable number.

331222221333 is a deficient number, since it is larger than the sum of its proper divisors (160062261867).

331222221333 is a wasteful number, since it uses less digits than its factorization.

331222221333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14622409 (or 14622403 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 331222221333 its reverse (333122222133), we get a palindrome (664344443466).

It can be divided in two parts, 33122222133 and 3, that multiplied together give a palindrome (99366666399).

The spelling of 331222221333 in words is "three hundred thirty-one billion, two hundred twenty-two million, two hundred twenty-one thousand, three hundred thirty-three".