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12226807 is a prime number
BaseRepresentation
bin101110101001…
…000011110111
3212000012000201
4232221003313
511112224212
61114021331
7205632445
oct56510367
925005021
1012226807
1169a11aa
124117847
1326c12c8
1418a3b95
151117b57
hexba90f7

12226807 has 2 divisors, whose sum is σ = 12226808. Its totient is φ = 12226806.

The previous prime is 12226789. The next prime is 12226811. The reversal of 12226807 is 70862221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12226807 - 211 = 12224759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12226507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6113403 + 6113404.

It is an arithmetic number, because the mean of its divisors is an integer number (6113404).

Almost surely, 212226807 is an apocalyptic number.

12226807 is a deficient number, since it is larger than the sum of its proper divisors (1).

12226807 is an equidigital number, since it uses as much as digits as its factorization.

12226807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 12226807 is about 3496.6851445333. The cubic root of 12226807 is about 230.3762399041.

The spelling of 12226807 in words is "twelve million, two hundred twenty-six thousand, eight hundred seven".