223012417 has 2 divisors, whose sum is σ = 223012418. Its totient is φ = 223012416.

The previous prime is 223012411. The next prime is 223012457. The reversal of 223012417 is 714210322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144937521 + 78074896 = 12039^2 + 8836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223012417 is a prime.

It is not a weakly prime, because it can be changed into another prime (223012411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111506208 + 111506209.

It is an arithmetic number, because the mean of its divisors is an integer number (111506209).

Almost surely, 2^223012417 is an apocalyptic number.

It is an amenable number.

223012417 is a deficient number, since it is larger than the sum of its proper divisors (1).

223012417 is an equidigital number, since it uses as much as digits as its factorization.

223012417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 223012417 is about 14933.6002691916. The cubic root of 223012417 is about 606.4239545878.

Adding to 223012417 its reverse (714210322), we get a palindrome (937222739).

The spelling of 223012417 in words is "two hundred twenty-three million, twelve thousand, four hundred seventeen".