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2221022147 is a prime number
BaseRepresentation
bin1000010001100010…
…0001101111000011
312201210020121121112
42010120201233003
514022040202042
61004220113535
7106016243141
oct20430415703
95653217545
102221022147
11a3a7888a3
1251b9958ab
132951b20b6
14170d90591
15ceec0982
hex84621bc3

2221022147 has 2 divisors, whose sum is σ = 2221022148. Its totient is φ = 2221022146.

The previous prime is 2221022123. The next prime is 2221022179. The reversal of 2221022147 is 7412201222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2221022147 - 216 = 2220956611 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221022107) 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, 1110511073 + 1110511074.

It is an arithmetic number, because the mean of its divisors is an integer number (1110511074).

Almost surely, 22221022147 is an apocalyptic number.

2221022147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221022147 is an equidigital number, since it uses as much as digits as its factorization.

2221022147 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2221022147 is about 47127.7216402406. The cubic root of 2221022147 is about 1304.7209313083.

Adding to 2221022147 its reverse (7412201222), we get a palindrome (9633223369).

The spelling of 2221022147 in words is "two billion, two hundred twenty-one million, twenty-two thousand, one hundred forty-seven".