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1422165149 is a prime number
BaseRepresentation
bin101010011000100…
…1000010010011101
310200010001110211022
41110301020102131
510403033241044
6353041533525
750146130036
oct12461102235
93603043738
101422165149
1166a8587a9
123383442a5
1319883c552
14d6c41a8d
1584cc23ee
hex54c4849d

1422165149 has 2 divisors, whose sum is σ = 1422165150. Its totient is φ = 1422165148.

The previous prime is 1422165137. The next prime is 1422165169. The reversal of 1422165149 is 9415612241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1205339524 + 216825625 = 34718^2 + 14725^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1422165149 is a prime.

It is a super-2 number, since 2×14221651492 = 4045107422060384402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422165119) 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, 711082574 + 711082575.

It is an arithmetic number, because the mean of its divisors is an integer number (711082575).

Almost surely, 21422165149 is an apocalyptic number.

It is an amenable number.

1422165149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422165149 is an equidigital number, since it uses as much as digits as its factorization.

1422165149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 35.

The square root of 1422165149 is about 37711.6049645199. The cubic root of 1422165149 is about 1124.5618439240.

The spelling of 1422165149 in words is "one billion, four hundred twenty-two million, one hundred sixty-five thousand, one hundred forty-nine".