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2210222249 is a prime number
BaseRepresentation
bin1000001110111101…
…0101000010101001
312201000220220221022
42003233111002221
514011304102444
61003152422225
7105525402434
oct20357250251
95630826838
102210222249
11a34681764
12518247975
13292ba0421
1416d77c81b
15ce08a9ee
hex83bd50a9

2210222249 has 2 divisors, whose sum is σ = 2210222250. Its totient is φ = 2210222248.

The previous prime is 2210222227. The next prime is 2210222279. The reversal of 2210222249 is 9422220122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2022121024 + 188101225 = 44968^2 + 13715^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210222249 - 216 = 2210156713 is a prime.

It is not a weakly prime, because it can be changed into another prime (2210222279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105111124 + 1105111125.

It is an arithmetic number, because the mean of its divisors is an integer number (1105111125).

Almost surely, 22210222249 is an apocalyptic number.

It is an amenable number.

2210222249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210222249 is an equidigital number, since it uses as much as digits as its factorization.

2210222249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2210222249 is about 47013.0008508285. Note that the first 3 decimals coincide. The cubic root of 2210222249 is about 1302.6027242784.

The spelling of 2210222249 in words is "two billion, two hundred ten million, two hundred twenty-two thousand, two hundred forty-nine".