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212422519 is a prime number
BaseRepresentation
bin11001010100101…
…00111101110111
3112210201011220201
430222110331313
5413340010034
633024541331
75156363431
oct1452247567
9483634821
10212422519
11a99a8201
125b181847
13350166ca
14202d7651
15139b0014
hexca94f77

212422519 has 2 divisors, whose sum is σ = 212422520. Its totient is φ = 212422518.

The previous prime is 212422501. The next prime is 212422523. The reversal of 212422519 is 915224212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212422519 - 27 = 212422391 is a prime.

It is a super-2 number, since 2×2124225192 = 90246653156610722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212422559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106211259 + 106211260.

It is an arithmetic number, because the mean of its divisors is an integer number (106211260).

Almost surely, 2212422519 is an apocalyptic number.

212422519 is a deficient number, since it is larger than the sum of its proper divisors (1).

212422519 is an equidigital number, since it uses as much as digits as its factorization.

212422519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 28.

The square root of 212422519 is about 14574.7219184450. The cubic root of 212422519 is about 596.6690598755.

The spelling of 212422519 in words is "two hundred twelve million, four hundred twenty-two thousand, five hundred nineteen".