223344461 has 2 divisors, whose sum is σ = 223344462. Its totient is φ = 223344460.

The previous prime is 223344439. The next prime is 223344463. The reversal of 223344461 is 164443322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222188836 + 1155625 = 14906^2 + 1075^2 .

It is a cyclic number.

It is not a de Polignac number, because 223344461 - 2⁶ = 223344397 is a prime.

Together with 223344463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223344463) 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, 111672230 + 111672231.

It is an arithmetic number, because the mean of its divisors is an integer number (111672231).

Almost surely, 2^223344461 is an apocalyptic number.

It is an amenable number.

223344461 is a deficient number, since it is larger than the sum of its proper divisors (1).

223344461 is an equidigital number, since it uses as much as digits as its factorization.

223344461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 29.

The square root of 223344461 is about 14944.7134800236. The cubic root of 223344461 is about 606.7247742850.

Adding to 223344461 its reverse (164443322), we get a palindrome (387787783).

The spelling of 223344461 in words is "two hundred twenty-three million, three hundred forty-four thousand, four hundred sixty-one".