Search a number
-
+
2238211 is a prime number
BaseRepresentation
bin1000100010011100000011
311012201020201
420202130003
51033110321
6115550031
725011253
oct10423403
94181221
102238211
111299668
128bb317
136049b1
14423963
152e3291
hex222703

2238211 has 2 divisors, whose sum is σ = 2238212. Its totient is φ = 2238210.

The previous prime is 2238209. The next prime is 2238217. The reversal of 2238211 is 1128322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2238211 - 21 = 2238209 is a prime.

Together with 2238209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2238217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119105 + 1119106.

It is an arithmetic number, because the mean of its divisors is an integer number (1119106).

22238211 is an apocalyptic number.

2238211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2238211 is an equidigital number, since it uses as much as digits as its factorization.

2238211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 19.

The square root of 2238211 is about 1496.0651723772. The cubic root of 2238211 is about 130.8078101681.

The spelling of 2238211 in words is "two million, two hundred thirty-eight thousand, two hundred eleven".