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22229455979 is a prime number
BaseRepresentation
bin10100101100111110…
…101001010001101011
32010101012122100220102
4110230332221101223
5331011220042404
614113450220015
71414603154363
oct245476512153
963335570812
1022229455979
119477a48325
12438472460b
132133550763
14110c42d9a3
158a185571e
hex52cfa946b

22229455979 has 2 divisors, whose sum is σ = 22229455980. Its totient is φ = 22229455978.

The previous prime is 22229455903. The next prime is 22229455981. The reversal of 22229455979 is 97955492222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22229455979 - 28 = 22229455723 is a prime.

Together with 22229455981, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22229455879) 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, 11114727989 + 11114727990.

It is an arithmetic number, because the mean of its divisors is an integer number (11114727990).

Almost surely, 222229455979 is an apocalyptic number.

22229455979 is a deficient number, since it is larger than the sum of its proper divisors (1).

22229455979 is an equidigital number, since it uses as much as digits as its factorization.

22229455979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8164800, while the sum is 56.

The spelling of 22229455979 in words is "twenty-two billion, two hundred twenty-nine million, four hundred fifty-five thousand, nine hundred seventy-nine".