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1422004217 is a prime number
BaseRepresentation
bin101010011000010…
…0000111111111001
310200002202022001212
41110300200333321
510403013113332
6353034252505
750144556614
oct12460407771
93602668055
101422004217
1166a7588a7
12338287135
131987b421a
14d6bdd17b
1584c8e8b2
hex54c20ff9

1422004217 has 2 divisors, whose sum is σ = 1422004218. Its totient is φ = 1422004216.

The previous prime is 1422004211. The next prime is 1422004229. The reversal of 1422004217 is 7124002241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1253938921 + 168065296 = 35411^2 + 12964^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422004217 - 24 = 1422004201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1422004192 and 1422004201.

It is not a weakly prime, because it can be changed into another prime (1422004211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711002108 + 711002109.

It is an arithmetic number, because the mean of its divisors is an integer number (711002109).

Almost surely, 21422004217 is an apocalyptic number.

It is an amenable number.

1422004217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422004217 is an equidigital number, since it uses as much as digits as its factorization.

1422004217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 1422004217 is about 37709.4711843059. The cubic root of 1422004217 is about 1124.5194239061.

Adding to 1422004217 its reverse (7124002241), we get a palindrome (8546006458).

The spelling of 1422004217 in words is "one billion, four hundred twenty-two million, four thousand, two hundred seventeen".