Search a number
-
+
222101293 is a prime number
BaseRepresentation
bin11010011110011…
…11111100101101
3120110220220200211
431033033330231
5423324220133
634012222421
75334554431
oct1517177455
9513826624
10222101293
11104408a97
126246aa11
1337024cab
14216d69c1
1514772bcd
hexd3cff2d

222101293 has 2 divisors, whose sum is σ = 222101294. Its totient is φ = 222101292.

The previous prime is 222101281. The next prime is 222101303. The reversal of 222101293 is 392101222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144432324 + 77668969 = 12018^2 + 8813^2 .

It is a cyclic number.

It is not a de Polignac number, because 222101293 - 25 = 222101261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222101233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111050646 + 111050647.

It is an arithmetic number, because the mean of its divisors is an integer number (111050647).

Almost surely, 2222101293 is an apocalyptic number.

It is an amenable number.

222101293 is a deficient number, since it is larger than the sum of its proper divisors (1).

222101293 is an equidigital number, since it uses as much as digits as its factorization.

222101293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 222101293 is about 14903.0632086159. The cubic root of 222101293 is about 605.5969728514.

The spelling of 222101293 in words is "two hundred twenty-two million, one hundred one thousand, two hundred ninety-three".