Search a number
-
+
2230223231 is a prime number
BaseRepresentation
bin1000010011101110…
…1000000101111111
312202102120002010102
42010323220011333
514031414120411
61005145231315
7106160404355
oct20473500577
95672502112
102230223231
11a449a27a5
12522a9253b
13297084122
141722a77d5
15d0bdbd3b
hex84ee817f

2230223231 has 2 divisors, whose sum is σ = 2230223232. Its totient is φ = 2230223230.

The previous prime is 2230223227. The next prime is 2230223243. The reversal of 2230223231 is 1323220322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2230223231 - 22 = 2230223227 is a prime.

It is a super-2 number, since 2×22302232312 = 9947791320184158722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2230223531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115111615 + 1115111616.

It is an arithmetic number, because the mean of its divisors is an integer number (1115111616).

Almost surely, 22230223231 is an apocalyptic number.

2230223231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2230223231 is an equidigital number, since it uses as much as digits as its factorization.

2230223231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2230223231 is about 47225.2393429615. The cubic root of 2230223231 is about 1306.5201490480.

Adding to 2230223231 its reverse (1323220322), we get a palindrome (3553443553).

The spelling of 2230223231 in words is "two billion, two hundred thirty million, two hundred twenty-three thousand, two hundred thirty-one".