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2228331071 is a prime number
BaseRepresentation
bin1000010011010001…
…1010001000111111
312202021222221120102
42010310122020333
514030423043241
61005040511315
7106135334021
oct20464321077
95667887512
102228331071
11a4392012a
1252231b53b
13296870ac5
14171d34011
15d096639b
hex84d1a23f

2228331071 has 2 divisors, whose sum is σ = 2228331072. Its totient is φ = 2228331070.

The previous prime is 2228331047. The next prime is 2228331073. The reversal of 2228331071 is 1701338222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2228331071 is a prime.

Together with 2228331073, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2228331073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114165535 + 1114165536.

It is an arithmetic number, because the mean of its divisors is an integer number (1114165536).

Almost surely, 22228331071 is an apocalyptic number.

2228331071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228331071 is an equidigital number, since it uses as much as digits as its factorization.

2228331071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 2228331071 is about 47205.2017366730. The cubic root of 2228331071 is about 1306.1505530665.

Adding to 2228331071 its reverse (1701338222), we get a palindrome (3929669293).

The spelling of 2228331071 in words is "two billion, two hundred twenty-eight million, three hundred thirty-one thousand, seventy-one".