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222530533 is a prime number
BaseRepresentation
bin11010100001110…
…00101111100101
3120111201201111121
431100320233211
5423431434113
634025333541
75341323031
oct1520705745
9514651447
10222530533
11104681535
12626372b1
1337145494
14217a91c1
1514809e8d
hexd438be5

222530533 has 2 divisors, whose sum is σ = 222530534. Its totient is φ = 222530532.

The previous prime is 222530531. The next prime is 222530551. The reversal of 222530533 is 335035222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178944129 + 43586404 = 13377^2 + 6602^2 .

It is a cyclic number.

It is not a de Polignac number, because 222530533 - 21 = 222530531 is a prime.

Together with 222530531, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 222530498 and 222530507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222530531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111265266 + 111265267.

It is an arithmetic number, because the mean of its divisors is an integer number (111265267).

Almost surely, 2222530533 is an apocalyptic number.

It is an amenable number.

222530533 is a deficient number, since it is larger than the sum of its proper divisors (1).

222530533 is an equidigital number, since it uses as much as digits as its factorization.

222530533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 222530533 is about 14917.4573235522. The cubic root of 222530533 is about 605.9868537633.

Adding to 222530533 its reverse (335035222), we get a palindrome (557565755).

The spelling of 222530533 in words is "two hundred twenty-two million, five hundred thirty thousand, five hundred thirty-three".