223240441 has 2 divisors, whose sum is σ = 223240442. Its totient is φ = 223240440.

The previous prime is 223240417. The next prime is 223240453. The reversal of 223240441 is 144042322.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193766400 + 29474041 = 13920^2 + 5429^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223240441 is a prime.

It is a super-3 number, since 3×223240441³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (223247441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111620220 + 111620221.

It is an arithmetic number, because the mean of its divisors is an integer number (111620221).

Almost surely, 2^223240441 is an apocalyptic number.

It is an amenable number.

223240441 is a deficient number, since it is larger than the sum of its proper divisors (1).

223240441 is an equidigital number, since it uses as much as digits as its factorization.

223240441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 223240441 is about 14941.2329143214. The cubic root of 223240441 is about 606.6305680663.

Adding to 223240441 its reverse (144042322), we get a palindrome (367282763).

The spelling of 223240441 in words is "two hundred twenty-three million, two hundred forty thousand, four hundred forty-one".