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1222434319 is a prime number
BaseRepresentation
bin100100011011100…
…1101111000001111
310011012020002122011
41020313031320033
510000420344234
6321145002051
742202343311
oct11067157017
93135202564
101222434319
11578039aa7
122a1483327
1316634a922
14b84cd7b1
15724bcb64
hex48dcde0f

1222434319 has 2 divisors, whose sum is σ = 1222434320. Its totient is φ = 1222434318.

The previous prime is 1222434307. The next prime is 1222434341. The reversal of 1222434319 is 9134342221.

It is a weak prime.

It is an emirp because it is prime and its reverse (9134342221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222434319 - 25 = 1222434287 is a prime.

It is a super-2 number, since 2×12224343192 = 2988691328537987522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222434359) 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, 611217159 + 611217160.

It is an arithmetic number, because the mean of its divisors is an integer number (611217160).

Almost surely, 21222434319 is an apocalyptic number.

1222434319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222434319 is an equidigital number, since it uses as much as digits as its factorization.

1222434319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 1222434319 is about 34963.3282025610. The cubic root of 1222434319 is about 1069.2399525757.

The spelling of 1222434319 in words is "one billion, two hundred twenty-two million, four hundred thirty-four thousand, three hundred nineteen".