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1222230341 is a prime number
BaseRepresentation
bin100100011011001…
…1100000101000101
310011011211201211102
41020312130011011
510000342332331
6321140345445
742200533523
oct11066340505
93134751742
101222230341
11577a0a822
122a13a5285
131662a8b27
14b8479313
157247c4cb
hex48d9c145

1222230341 has 2 divisors, whose sum is σ = 1222230342. Its totient is φ = 1222230340.

The previous prime is 1222230337. The next prime is 1222230349. The reversal of 1222230341 is 1430322221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 783160225 + 439070116 = 27985^2 + 20954^2 .

It is an emirp because it is prime and its reverse (1430322221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222230341 - 22 = 1222230337 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222230349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611115170 + 611115171.

It is an arithmetic number, because the mean of its divisors is an integer number (611115171).

Almost surely, 21222230341 is an apocalyptic number.

It is an amenable number.

1222230341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222230341 is an equidigital number, since it uses as much as digits as its factorization.

1222230341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1222230341 is about 34960.4110530754. The cubic root of 1222230341 is about 1069.1804773805.

Adding to 1222230341 its reverse (1430322221), we get a palindrome (2652552562).

The spelling of 1222230341 in words is "one billion, two hundred twenty-two million, two hundred thirty thousand, three hundred forty-one".