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22865055901 is a prime number
BaseRepresentation
bin10101010010110111…
…010001000010011101
32012000111122012002021
4111102313101002131
5333311423242101
614300513300141
71436421524362
oct252267210235
965014565067
1022865055901
119773800a16
124521564651
13220513219c
14116ca02469
158dc5565a1
hex552dd109d

22865055901 has 2 divisors, whose sum is σ = 22865055902. Its totient is φ = 22865055900.

The previous prime is 22865055823. The next prime is 22865055959. The reversal of 22865055901 is 10955056822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18666663876 + 4198392025 = 136626^2 + 64795^2 .

It is a cyclic number.

It is not a de Polignac number, because 22865055901 - 217 = 22864924829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22865052901) 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, 11432527950 + 11432527951.

It is an arithmetic number, because the mean of its divisors is an integer number (11432527951).

Almost surely, 222865055901 is an apocalyptic number.

It is an amenable number.

22865055901 is a deficient number, since it is larger than the sum of its proper divisors (1).

22865055901 is an equidigital number, since it uses as much as digits as its factorization.

22865055901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 43.

The spelling of 22865055901 in words is "twenty-two billion, eight hundred sixty-five million, fifty-five thousand, nine hundred one".