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200224221 = 3382117467
BaseRepresentation
bin10111110111100…
…10110111011101
3111221202102222220
423323302313131
5402224133341
631511255553
74650610041
oct1373626735
9457672886
10200224221
11a302646a
125707a5b9
1332635392
141c840021
15128a0a66
hexbef2ddd

200224221 has 8 divisors (see below), whose sum is σ = 267050784. Its totient is φ = 133440240.

The previous prime is 200224201. The next prime is 200224231. The reversal of 200224221 is 122422002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 200224221 - 27 = 200224093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200224221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200224201) 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, 2730 + ... + 20196.

It is an arithmetic number, because the mean of its divisors is an integer number (33381348).

Almost surely, 2200224221 is an apocalyptic number.

It is an amenable number.

200224221 is a deficient number, since it is larger than the sum of its proper divisors (66826563).

200224221 is a wasteful number, since it uses less digits than its factorization.

200224221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21291.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 200224221 is about 14150.0608125902. The cubic root of 200224221 is about 585.0220080843.

Adding to 200224221 its reverse (122422002), we get a palindrome (322646223).

The spelling of 200224221 in words is "two hundred million, two hundred twenty-four thousand, two hundred twenty-one".

Divisors: 1 3 3821 11463 17467 52401 66741407 200224221