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22004808887 is a prime number
BaseRepresentation
bin10100011111100101…
…101011110010110111
32002210112221010000202
4110133211223302313
5330031212341022
614035303231115
71406204534525
oct243745536267
962715833022
1022004808887
119372160676
12432144849b
1320c8b46a99
1410ca673315
1588bc7d592
hex51f96bcb7

22004808887 has 2 divisors, whose sum is σ = 22004808888. Its totient is φ = 22004808886.

The previous prime is 22004808853. The next prime is 22004808911. The reversal of 22004808887 is 78880840022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22004808887 - 212 = 22004804791 is a prime.

It is a super-2 number, since 2×220048088872 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22004808817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11002404443 + 11002404444.

It is an arithmetic number, because the mean of its divisors is an integer number (11002404444).

Almost surely, 222004808887 is an apocalyptic number.

22004808887 is a deficient number, since it is larger than the sum of its proper divisors (1).

22004808887 is an equidigital number, since it uses as much as digits as its factorization.

22004808887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 458752, while the sum is 47.

The spelling of 22004808887 in words is "twenty-two billion, four million, eight hundred eight thousand, eight hundred eighty-seven".