331012022 has 16 divisors (see below), whose sum is σ = 554254272. Its totient is φ = 146960520.

The previous prime is 331012013. The next prime is 331012037. The reversal of 331012022 is 220210133.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 331011988 and 331012006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174008 + ... + 175899.

It is an arithmetic number, because the mean of its divisors is an integer number (34640892).

Almost surely, 2^331012022 is an apocalyptic number.

331012022 is a deficient number, since it is larger than the sum of its proper divisors (223242250).

331012022 is a wasteful number, since it uses less digits than its factorization.

331012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349963.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 331012022 is about 18193.7357901009. The cubic root of 331012022 is about 691.7480162765.

Adding to 331012022 its reverse (220210133), we get a palindrome (551222155).

The spelling of 331012022 in words is "three hundred thirty-one million, twelve thousand, twenty-two".