222841 has 2 divisors, whose sum is σ = 222842. Its totient is φ = 222840.

The previous prime is 222839. The next prime is 222857. The reversal of 222841 is 148222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193600 + 29241 = 440^2 + 171^2 .

It is a cyclic number.

It is not a de Polignac number, because 222841 - 2¹ = 222839 is a prime.

It is a super-2 number, since 2×222841² = 99316222562, which contains 22 as substring.

Together with 222839, it forms a pair of twin primes.

222841 is a lucky number.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (222041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111420 + 111421.

It is an arithmetic number, because the mean of its divisors is an integer number (111421).

2²²²⁸⁴¹ is an apocalyptic number.

It is an amenable number.

222841 is a deficient number, since it is larger than the sum of its proper divisors (1).

222841 is an equidigital number, since it uses as much as digits as its factorization.

222841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 256, while the sum is 19.

The square root of 222841 is about 472.0603774942. The cubic root of 222841 is about 60.6268540192.

The spelling of 222841 in words is "two hundred twenty-two thousand, eight hundred forty-one".