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2214212251 is a prime number
BaseRepresentation
bin1000001111111010…
…0011001010011011
312201022102122012011
42003332203022123
514013314243001
61003414130351
7105604331206
oct20376431233
95638378164
102214212251
11a36957489
125196509b7
13293969584
141700da93d
15ce5c7d51
hex83fa329b

2214212251 has 2 divisors, whose sum is σ = 2214212252. Its totient is φ = 2214212250.

The previous prime is 2214212249. The next prime is 2214212303. The reversal of 2214212251 is 1522124122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2214212251 - 21 = 2214212249 is a prime.

Together with 2214212249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2214212051) 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, 1107106125 + 1107106126.

It is an arithmetic number, because the mean of its divisors is an integer number (1107106126).

Almost surely, 22214212251 is an apocalyptic number.

2214212251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2214212251 is an equidigital number, since it uses as much as digits as its factorization.

2214212251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 640, while the sum is 22.

The square root of 2214212251 is about 47055.4168082698. The cubic root of 2214212251 is about 1303.3860939273.

Adding to 2214212251 its reverse (1522124122), we get a palindrome (3736336373).

The spelling of 2214212251 in words is "two billion, two hundred fourteen million, two hundred twelve thousand, two hundred fifty-one".