223198841 has 2 divisors, whose sum is σ = 223198842. Its totient is φ = 223198840.

The previous prime is 223198823. The next prime is 223198861. The reversal of 223198841 is 148891322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123298816 + 99900025 = 11104^2 + 9995^2 .

It is a cyclic number.

It is not a de Polignac number, because 223198841 - 2⁶ = 223198777 is a prime.

It is a super-3 number, since 3×223198841³ (a number of 26 digits) contains 333 as substring.

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 = 223198795 and 223198804.

It is not a weakly prime, because it can be changed into another prime (223198861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111599420 + 111599421.

It is an arithmetic number, because the mean of its divisors is an integer number (111599421).

Almost surely, 2^223198841 is an apocalyptic number.

It is an amenable number.

223198841 is a deficient number, since it is larger than the sum of its proper divisors (1).

223198841 is an equidigital number, since it uses as much as digits as its factorization.

223198841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 38.

The square root of 223198841 is about 14939.8407287360. The cubic root of 223198841 is about 606.5928846323.

The spelling of 223198841 in words is "two hundred twenty-three million, one hundred ninety-eight thousand, eight hundred forty-one".