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422101 is a prime number
BaseRepresentation
bin1100111000011010101
3210110000101
41213003111
5102001401
613014101
73405421
oct1470325
9713011
10422101
11269149
12184331
1311a184
14adb81
1585101
hex670d5

422101 has 2 divisors, whose sum is σ = 422102. Its totient is φ = 422100.

The previous prime is 422099. The next prime is 422111. The reversal of 422101 is 101224.

It is an a-pointer prime, because the next prime (422111) can be obtained adding 422101 to its sum of digits (10).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 421201 + 900 = 649^2 + 30^2 .

It is a cyclic number.

It is not a de Polignac number, because 422101 - 21 = 422099 is a prime.

Together with 422099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211050 + 211051.

It is an arithmetic number, because the mean of its divisors is an integer number (211051).

2422101 is an apocalyptic number.

It is an amenable number.

422101 is a deficient number, since it is larger than the sum of its proper divisors (1).

422101 is an equidigital number, since it uses as much as digits as its factorization.

422101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 422101 is about 649.6930044259. The cubic root of 422101 is about 75.0133902018.

Adding to 422101 its reverse (101224), we get a palindrome (523325).

The spelling of 422101 in words is "four hundred twenty-two thousand, one hundred one", and thus it is an iban number.