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224020211 is a prime number
BaseRepresentation
bin11010101101001…
…00011011110011
3120121112101221212
431112210123303
5424322121321
634121310335
75360066102
oct1526443363
9517471855
10224020211
111054a9778
12630353ab
133754754c
1421a76039
1514a0155b
hexd5a46f3

224020211 has 2 divisors, whose sum is σ = 224020212. Its totient is φ = 224020210.

The previous prime is 224020201. The next prime is 224020213. The reversal of 224020211 is 112020422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 224020211 - 226 = 156911347 is a prime.

Together with 224020213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (224020213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112010105 + 112010106.

It is an arithmetic number, because the mean of its divisors is an integer number (112010106).

Almost surely, 2224020211 is an apocalyptic number.

224020211 is a deficient number, since it is larger than the sum of its proper divisors (1).

224020211 is an equidigital number, since it uses as much as digits as its factorization.

224020211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 224020211 is about 14967.3047339860. The cubic root of 224020211 is about 607.3360594507.

Adding to 224020211 its reverse (112020422), we get a palindrome (336040633).

The spelling of 224020211 in words is "two hundred twenty-four million, twenty thousand, two hundred eleven".