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22022012227 is a prime number
BaseRepresentation
bin10100100000100111…
…010011110101000011
32002211202022010120111
4110200213103311003
5330100113342402
614041120052151
71406504005165
oct244047236503
962752263514
1022022012227
119380940806
124327164057
1320cc58b287
1410cca70935
1588d52a9d7
hex5209d3d43

22022012227 has 2 divisors, whose sum is σ = 22022012228. Its totient is φ = 22022012226.

The previous prime is 22022012191. The next prime is 22022012269. The reversal of 22022012227 is 72221022022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22022012227 - 27 = 22022012099 is a prime.

It is a super-2 number, since 2×220220122272 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22022012198 and 22022012207.

It is not a weakly prime, because it can be changed into another prime (22022012297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011006113 + 11011006114.

It is an arithmetic number, because the mean of its divisors is an integer number (11011006114).

Almost surely, 222022012227 is an apocalyptic number.

22022012227 is a deficient number, since it is larger than the sum of its proper divisors (1).

22022012227 is an equidigital number, since it uses as much as digits as its factorization.

22022012227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 22.

Adding to 22022012227 its reverse (72221022022), we get a palindrome (94243034249).

The spelling of 22022012227 in words is "twenty-two billion, twenty-two million, twelve thousand, two hundred twenty-seven".