331221230222232 has 64 divisors (see below), whose sum is σ = 950028653790720. Its totient is φ = 94266409033728.

The previous prime is 331221230222227. The next prime is 331221230222249. The reversal of 331221230222232 is 232222032122133.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 331221230222232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3835666828 + ... + 3835753179.

It is an arithmetic number, because the mean of its divisors is an integer number (14844197715480).

Almost surely, 2^{331221230222232} is an apocalyptic number.

It is an amenable number.

331221230222232 is an abundant number, since it is smaller than the sum of its proper divisors (618807423568488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331221230222232 is a wasteful number, since it uses less digits than its factorization.

331221230222232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7671420280 (or 7671420276 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 331221230222232 its reverse (232222032122133), we get a palindrome (563443262344365).

The spelling of 331221230222232 in words is "three hundred thirty-one trillion, two hundred twenty-one billion, two hundred thirty million, two hundred twenty-two thousand, two hundred thirty-two".