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1122213047 is a prime number
BaseRepresentation
bin100001011100011…
…1001110010110111
32220012122022220012
41002320321302313
54244241304142
6303204530435
736544440104
oct10270716267
92805568805
101122213047
115265072aa
122739b0a1b
1314b65a4b7
14a9081aab
15687c2882
hex42e39cb7

1122213047 has 2 divisors, whose sum is σ = 1122213048. Its totient is φ = 1122213046.

The previous prime is 1122213023. The next prime is 1122213073. The reversal of 1122213047 is 7403122211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122213047 - 26 = 1122212983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122213347) 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, 561106523 + 561106524.

It is an arithmetic number, because the mean of its divisors is an integer number (561106524).

Almost surely, 21122213047 is an apocalyptic number.

1122213047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122213047 is an equidigital number, since it uses as much as digits as its factorization.

1122213047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1122213047 is about 33499.4484581463. The cubic root of 1122213047 is about 1039.1823723434.

Adding to 1122213047 its reverse (7403122211), we get a palindrome (8525335258).

The spelling of 1122213047 in words is "one billion, one hundred twenty-two million, two hundred thirteen thousand, forty-seven".