331530401221022 has 8 divisors (see below), whose sum is σ = 497296553876976. Its totient is φ = 165764883262032.

The previous prime is 331530401221013. The next prime is 331530401221027. The reversal of 331530401221022 is 220122104035133.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331530401221027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157366223 + ... + 159459050.

It is an arithmetic number, because the mean of its divisors is an integer number (62162069234622).

Almost surely, 2^{331530401221022} is an apocalyptic number.

331530401221022 is a deficient number, since it is larger than the sum of its proper divisors (165766152655954).

331530401221022 is a wasteful number, since it uses less digits than its factorization.

331530401221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317348482.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 331530401221022 its reverse (220122104035133), we get a palindrome (551652505256155).

The spelling of 331530401221022 in words is "three hundred thirty-one trillion, five hundred thirty billion, four hundred one million, two hundred twenty-one thousand, twenty-two".