Search a number
-
+
222893141 is a prime number
BaseRepresentation
bin11010100100100…
…01010001010101
3120112102010220112
431102101101111
5424030040031
634041212405
75344363142
oct1522212125
9515363815
10222893141
111048a9a09
1262791105
1337241543
14218613c9
151487c62b
hexd491455

222893141 has 2 divisors, whose sum is σ = 222893142. Its totient is φ = 222893140.

The previous prime is 222893117. The next prime is 222893147. The reversal of 222893141 is 141398222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197993041 + 24900100 = 14071^2 + 4990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-222893141 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 222893098 and 222893107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222893147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111446570 + 111446571.

It is an arithmetic number, because the mean of its divisors is an integer number (111446571).

Almost surely, 2222893141 is an apocalyptic number.

It is an amenable number.

222893141 is a deficient number, since it is larger than the sum of its proper divisors (1).

222893141 is an equidigital number, since it uses as much as digits as its factorization.

222893141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The square root of 222893141 is about 14929.6061903856. The cubic root of 222893141 is about 606.3158220098.

The spelling of 222893141 in words is "two hundred twenty-two million, eight hundred ninety-three thousand, one hundred forty-one".