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225266213 is a prime number
BaseRepresentation
bin11010110110101…
…00101000100101
3120200212201011002
431123110220211
5430132004323
634204123045
75403505544
oct1533245045
9520781132
10225266213
1110617a927
1263536485
1337892723
1421cbc15b
1514b9a828
hexd6d4a25

225266213 has 2 divisors, whose sum is σ = 225266214. Its totient is φ = 225266212.

The previous prime is 225266203. The next prime is 225266221. The reversal of 225266213 is 312662522.

225266213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184905604 + 40360609 = 13598^2 + 6353^2 .

It is a cyclic number.

It is not a de Polignac number, because 225266213 - 26 = 225266149 is a prime.

It is a super-2 number, since 2×2252662132 = 101489733438722738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225266203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112633106 + 112633107.

It is an arithmetic number, because the mean of its divisors is an integer number (112633107).

Almost surely, 2225266213 is an apocalyptic number.

It is an amenable number.

225266213 is a deficient number, since it is larger than the sum of its proper divisors (1).

225266213 is an equidigital number, since it uses as much as digits as its factorization.

225266213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 225266213 is about 15008.8711434271. The cubic root of 225266213 is about 608.4599807542.

The spelling of 225266213 in words is "two hundred twenty-five million, two hundred sixty-six thousand, two hundred thirteen".