100222002 has 64 divisors (see below), whose sum is σ = 229824000.
Its totient is φ = 32359824.
The previous prime is 100221983. The next prime is 100222009. The reversal of 100222002 is 200222001.
Adding to 100222002 its reverse (200222001), we get a palindrome (300444003).
Subtracting 100222002 from its reverse (200222001), we obtain a palindrome (99999999).
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (100222009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264249 + ... + 264627.
It is an arithmetic number, because the mean of its divisors is an integer number (3591000).
Almost surely, 2100222002 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 100222002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114912000).
100222002 is an abundant number, since it is smaller than the sum of its proper divisors (129601998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100222002 is a wasteful number, since it uses less digits than its factorization.
100222002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 532 (or 526 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 9.
The square root of 100222002 is about 10011.0939462179.
The cubic root of 100222002 is about 464.5021101644.
The spelling of 100222002 in words is "one hundred million, two hundred twenty-two thousand, two".