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1322012227 is a prime number
BaseRepresentation
bin100111011001100…
…0100111001000011
310102010121011211211
41032303010321003
510201413342402
6335103150551
744521630024
oct11663047103
93363534754
101322012227
11619272398
1230a8a5457
13180b74273
14c7810c4b
157b0dc4d7
hex4ecc4e43

1322012227 has 2 divisors, whose sum is σ = 1322012228. Its totient is φ = 1322012226.

The previous prime is 1322012203. The next prime is 1322012243. The reversal of 1322012227 is 7222102231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1322012227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1322012198 and 1322012207.

It is not a weakly prime, because it can be changed into another prime (1322022227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661006113 + 661006114.

It is an arithmetic number, because the mean of its divisors is an integer number (661006114).

Almost surely, 21322012227 is an apocalyptic number.

1322012227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322012227 is an equidigital number, since it uses as much as digits as its factorization.

1322012227 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 22.

The square root of 1322012227 is about 36359.4860662249. The cubic root of 1322012227 is about 1097.5184353564.

Adding to 1322012227 its reverse (7222102231), we get a palindrome (8544114458).

The spelling of 1322012227 in words is "one billion, three hundred twenty-two million, twelve thousand, two hundred twenty-seven".