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8228204797 is a prime number
BaseRepresentation
bin1111010100111000…
…00111000011111101
3210020102211010000211
413222130013003331
5113322410023142
63440250552421
7410621405161
oct75234070375
923212733024
108228204797
11354267505a
121717738711
13a118c4247
14580b0cca1
15332576917
hex1ea7070fd

8228204797 has 2 divisors, whose sum is σ = 8228204798. Its totient is φ = 8228204796.

The previous prime is 8228204779. The next prime is 8228204801. The reversal of 8228204797 is 7974028228.

Together with previous prime (8228204779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8209447236 + 18757561 = 90606^2 + 4331^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8228204797 is a prime.

It is a super-2 number, since 2×82282047972 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8228204797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8228204737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4114102398 + 4114102399.

It is an arithmetic number, because the mean of its divisors is an integer number (4114102399).

Almost surely, 28228204797 is an apocalyptic number.

It is an amenable number.

8228204797 is a deficient number, since it is larger than the sum of its proper divisors (1).

8228204797 is an equidigital number, since it uses as much as digits as its factorization.

8228204797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 49.

The square root of 8228204797 is about 90709.4526331187. The cubic root of 8228204797 is about 2018.8390542534.

The spelling of 8228204797 in words is "eight billion, two hundred twenty-eight million, two hundred four thousand, seven hundred ninety-seven".