223424441 has 2 divisors, whose sum is σ = 223424442. Its totient is φ = 223424440.

The previous prime is 223424437. The next prime is 223424449. The reversal of 223424441 is 144424322.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157879225 + 65545216 = 12565^2 + 8096^2 .

It is a cyclic number.

It is not a de Polignac number, because 223424441 - 2² = 223424437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223424441.

It is not a weakly prime, because it can be changed into another prime (223424449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111712220 + 111712221.

It is an arithmetic number, because the mean of its divisors is an integer number (111712221).

Almost surely, 2^223424441 is an apocalyptic number.

It is an amenable number.

223424441 is a deficient number, since it is larger than the sum of its proper divisors (1).

223424441 is an equidigital number, since it uses as much as digits as its factorization.

223424441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6144, while the sum is 26.

The square root of 223424441 is about 14947.3891031176. The cubic root of 223424441 is about 606.7971886712.

Adding to 223424441 its reverse (144424322), we get a palindrome (367848763).

The spelling of 223424441 in words is "two hundred twenty-three million, four hundred twenty-four thousand, four hundred forty-one".