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422111 is a prime number
BaseRepresentation
bin1100111000011011111
3210110000202
41213003133
5102001421
613014115
73405434
oct1470337
9713022
10422111
11269158
1218433b
1311a191
14adb8b
158510b
hex670df

422111 has 2 divisors, whose sum is σ = 422112. Its totient is φ = 422110.

The previous prime is 422101. The next prime is 422113. The reversal of 422111 is 111224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-422111 is a prime.

Together with 422113, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 422092 and 422101.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 422111.

It is not a weakly prime, because it can be changed into another prime (422113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211055 + 211056.

It is an arithmetic number, because the mean of its divisors is an integer number (211056).

2422111 is an apocalyptic number.

422111 is a deficient number, since it is larger than the sum of its proper divisors (1).

422111 is an equidigital number, since it uses as much as digits as its factorization.

422111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16, while the sum is 11.

The square root of 422111 is about 649.7007003228. The cubic root of 422111 is about 75.0139825782.

Adding to 422111 its reverse (111224), we get a palindrome (533335).

The spelling of 422111 in words is "four hundred twenty-two thousand, one hundred eleven", and thus it is an iban number.