102102222 has 16 divisors (see below), whose sum is σ = 205459200. Its totient is φ = 33824952.

The previous prime is 102102199. The next prime is 102102229. The reversal of 102102222 is 222201201.

It is a junction number, because it is equal to n+sod(n) for n = 102102198 and 102102207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51222 + ... + 53177.

It is an arithmetic number, because the mean of its divisors is an integer number (12841200).

Almost surely, 2^102102222 is an apocalyptic number.

102102222 is an abundant number, since it is smaller than the sum of its proper divisors (103356978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102102222 is a wasteful number, since it uses less digits than its factorization.

102102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104567.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 102102222 is about 10104.5644141645. The cubic root of 102102222 is about 467.3889039874.

Adding to 102102222 its reverse (222201201), we get a palindrome (324303423).

The spelling of 102102222 in words is "one hundred two million, one hundred two thousand, two hundred twenty-two".