331102222 has 32 divisors (see below), whose sum is σ = 565250400. Its totient is φ = 145277440.

The previous prime is 331102201. The next prime is 331102223. The reversal of 331102222 is 222201133.

It is a junction number, because it is equal to n+sod(n) for n = 331102196 and 331102205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331102223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75054 + ... + 79342.

It is an arithmetic number, because the mean of its divisors is an integer number (17664075).

Almost surely, 2^331102222 is an apocalyptic number.

331102222 is a deficient number, since it is larger than the sum of its proper divisors (234148178).

331102222 is a wasteful number, since it uses less digits than its factorization.

331102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353 (or 4331 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 331102222 is about 18196.2144964275. The cubic root of 331102222 is about 691.8108438077.

Adding to 331102222 its reverse (222201133), we get a palindrome (553303355).

The spelling of 331102222 in words is "three hundred thirty-one million, one hundred two thousand, two hundred twenty-two".