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8422201 is a prime number
BaseRepresentation
bin100000001000…
…001100111001
3120211220002101
4200020030321
54124002301
6500303401
7131405344
oct40101471
916756071
108422201
1148327a7
1229a1b61
13198b668
14119345b
15b15701
hex808339

8422201 has 2 divisors, whose sum is σ = 8422202. Its totient is φ = 8422200.

The previous prime is 8422181. The next prime is 8422213. The reversal of 8422201 is 1022248.

8422201 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8415801 + 6400 = 2901^2 + 80^2 .

It is a cyclic number.

It is not a de Polignac number, because 8422201 - 213 = 8414009 is a prime.

It is not a weakly prime, because it can be changed into another prime (8422231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4211100 + 4211101.

It is an arithmetic number, because the mean of its divisors is an integer number (4211101).

Almost surely, 28422201 is an apocalyptic number.

It is an amenable number.

8422201 is a deficient number, since it is larger than the sum of its proper divisors (1).

8422201 is an equidigital number, since it uses as much as digits as its factorization.

8422201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 8422201 is about 2902.1028582736. The cubic root of 8422201 is about 203.4582012444.

Adding to 8422201 its reverse (1022248), we get a palindrome (9444449).

The spelling of 8422201 in words is "eight million, four hundred twenty-two thousand, two hundred one".