223346161 has 2 divisors, whose sum is σ = 223346162. Its totient is φ = 223346160.

The previous prime is 223346143. The next prime is 223346183. The reversal of 223346161 is 161643322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203490225 + 19855936 = 14265^2 + 4456^2 .

It is a cyclic number.

It is not a de Polignac number, because 223346161 - 2¹³ = 223337969 is a prime.

It is not a weakly prime, because it can be changed into another prime (223346141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111673080 + 111673081.

It is an arithmetic number, because the mean of its divisors is an integer number (111673081).

Almost surely, 2^223346161 is an apocalyptic number.

It is an amenable number.

223346161 is a deficient number, since it is larger than the sum of its proper divisors (1).

223346161 is an equidigital number, since it uses as much as digits as its factorization.

223346161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 28.

The square root of 223346161 is about 14944.7703562149. The cubic root of 223346161 is about 606.7263136553.

Adding to 223346161 its reverse (161643322), we get a palindrome (384989483).

The spelling of 223346161 in words is "two hundred twenty-three million, three hundred forty-six thousand, one hundred sixty-one".