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22102122017 is a prime number
BaseRepresentation
bin10100100101011000…
…111001111000100001
32010001100001010112202
4110211120321320201
5330231120401032
614053101102545
71411465636343
oct244530717041
963040033482
1022102122017
119412087448
124349b57a55
132113059611
1410d9565293
158955a1d62
hex525639e21

22102122017 has 2 divisors, whose sum is σ = 22102122018. Its totient is φ = 22102122016.

The previous prime is 22102122011. The next prime is 22102122023. The reversal of 22102122017 is 71022120122.

It is a balanced prime because it is at equal distance from previous prime (22102122011) and next prime (22102122023).

It can be written as a sum of positive squares in only one way, i.e., 21187422481 + 914699536 = 145559^2 + 30244^2 .

It is a cyclic number.

It is not a de Polignac number, because 22102122017 - 28 = 22102121761 is a prime.

It is a super-2 number, since 2×221021220172 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22102122017.

It is not a weakly prime, because it can be changed into another prime (22102122011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051061008 + 11051061009.

It is an arithmetic number, because the mean of its divisors is an integer number (11051061009).

Almost surely, 222102122017 is an apocalyptic number.

It is an amenable number.

22102122017 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102122017 is an equidigital number, since it uses as much as digits as its factorization.

22102122017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 22102122017 its reverse (71022120122), we get a palindrome (93124242139).

The spelling of 22102122017 in words is "twenty-two billion, one hundred two million, one hundred twenty-two thousand, seventeen".