331102220222 has 4 divisors (see below), whose sum is σ = 496653330336. Its totient is φ = 165551110110.

The previous prime is 331102220221. The next prime is 331102220243. The reversal of 331102220222 is 222022201133.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 331102220194 and 331102220203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331102220221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82775555054 + ... + 82775555057.

It is an arithmetic number, because the mean of its divisors is an integer number (124163332584).

Almost surely, 2^331102220222 is an apocalyptic number.

331102220222 is a deficient number, since it is larger than the sum of its proper divisors (165551110114).

331102220222 is a wasteful number, since it uses less digits than its factorization.

331102220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165551110113.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 331102220222 its reverse (222022201133), we get a palindrome (553124421355).

The spelling of 331102220222 in words is "three hundred thirty-one billion, one hundred two million, two hundred twenty thousand, two hundred twenty-two".