Search a number
-
+
22430201 is a prime number
BaseRepresentation
bin101010110010…
…0000111111001
31120012120110012
41111210013321
521220231301
62120431305
7361440113
oct125440771
946176405
1022430201
1111730162
127618535
134854611
142d9c3b3
151e80ebb
hex15641f9

22430201 has 2 divisors, whose sum is σ = 22430202. Its totient is φ = 22430200.

The previous prime is 22430197. The next prime is 22430209. The reversal of 22430201 is 10203422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21529600 + 900601 = 4640^2 + 949^2 .

It is a cyclic number.

It is not a de Polignac number, because 22430201 - 22 = 22430197 is a prime.

It is a super-2 number, since 2×224302012 = 1006227833800802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22430209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11215100 + 11215101.

It is an arithmetic number, because the mean of its divisors is an integer number (11215101).

Almost surely, 222430201 is an apocalyptic number.

It is an amenable number.

22430201 is a deficient number, since it is larger than the sum of its proper divisors (1).

22430201 is an equidigital number, since it uses as much as digits as its factorization.

22430201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 22430201 is about 4736.0533147337. The cubic root of 22430201 is about 282.0185801684.

Adding to 22430201 its reverse (10203422), we get a palindrome (32633623).

The spelling of 22430201 in words is "twenty-two million, four hundred thirty thousand, two hundred one".