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200222190 = 232571943389
BaseRepresentation
bin10111110111100…
…10010111101110
3111221202100012200
423323302113232
5402224102230
631511242330
74650601110
oct1373622756
9457670180
10200222190
11a3024993
12570793a6
133263448c
141c83d3b0
15128a0160
hexbef25ee

200222190 has 192 divisors, whose sum is σ = 642470400. Its totient is φ = 42239232.

The previous prime is 200222189. The next prime is 200222213. The reversal of 200222190 is 91222002.

200222190 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2002221902 = 80177850736792200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 514516 + ... + 514904.

It is an arithmetic number, because the mean of its divisors is an integer number (3346200).

Almost surely, 2200222190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200222190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321235200).

200222190 is an abundant number, since it is smaller than the sum of its proper divisors (442248210).

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

200222190 is a wasteful number, since it uses less digits than its factorization.

200222190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 200222190 is about 14149.9890459322. The cubic root of 200222190 is about 585.0200299957.

Adding to 200222190 its reverse (91222002), we get a palindrome (291444192).

The spelling of 200222190 in words is "two hundred million, two hundred twenty-two thousand, one hundred ninety".