102200022 has 64 divisors (see below), whose sum is σ = 242300160. Its totient is φ = 31819392.

The previous prime is 102200011. The next prime is 102200029. The reversal of 102200022 is 220002201.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 102199977 and 102200013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102200029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149293 + ... + 149975.

It is an arithmetic number, because the mean of its divisors is an integer number (3785940).

Almost surely, 2^102200022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102200022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121150080).

102200022 is an abundant number, since it is smaller than the sum of its proper divisors (140100138).

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

102200022 is a wasteful number, since it uses less digits than its factorization.

102200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 102200022 is about 10109.4026529761. The cubic root of 102200022 is about 467.5380879680.

Adding to 102200022 its reverse (220002201), we get a palindrome (322202223).

The spelling of 102200022 in words is "one hundred two million, two hundred thousand, twenty-two".