10200222 has 32 divisors (see below), whose sum is σ = 23155200. Its totient is φ = 3326904.
The previous prime is 10200173. The next prime is 10200227. The reversal of 10200222 is 22200201.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10200227) 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 15 ways as a sum of consecutive naturals, for example, 529 + ... + 4547.
It is an arithmetic number, because the mean of its divisors is an integer number (723600).
Almost surely, 210200222 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10200222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11577600).
10200222 is an abundant number, since it is smaller than the sum of its proper divisors (12954978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10200222 is a wasteful number, since it uses less digits than its factorization.
10200222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4077 (or 4071 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 9.
The square root of 10200222 is about 3193.7786397933. The cubic root of 10200222 is about 216.8718618863.
Adding to 10200222 its reverse (22200201), we get a palindrome (32400423).
The spelling of 10200222 in words is "ten million, two hundred thousand, two hundred twenty-two".
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