331222221297 has 24 divisors (see below), whose sum is σ = 522027742080. Its totient is φ = 200701579680.

The previous prime is 331222221287. The next prime is 331222221301. The reversal of 331222221297 is 792122222133.

331222221297 is a `hidden beast` number, since 331 + 2 + 2 + 22 + 212 + 97 = 666.

It is not a de Polignac number, because 331222221297 - 2⁸ = 331222221041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331222221247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187779 + ... + 835287.

It is an arithmetic number, because the mean of its divisors is an integer number (21751155920).

Almost surely, 2^331222221297 is an apocalyptic number.

It is an amenable number.

331222221297 is a deficient number, since it is larger than the sum of its proper divisors (190805520783).

331222221297 is a wasteful number, since it uses less digits than its factorization.

331222221297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652693 (or 652690 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The spelling of 331222221297 in words is "three hundred thirty-one billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred ninety-seven".