223616797 has 2 divisors, whose sum is σ = 223616798. Its totient is φ = 223616796.

The previous prime is 223616791. The next prime is 223616801. The reversal of 223616797 is 797616322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197514916 + 26101881 = 14054^2 + 5109^2 .

It is a cyclic number.

It is not a de Polignac number, because 223616797 - 2⁷ = 223616669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223616791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111808398 + 111808399.

It is an arithmetic number, because the mean of its divisors is an integer number (111808399).

Almost surely, 2^223616797 is an apocalyptic number.

It is an amenable number.

223616797 is a deficient number, since it is larger than the sum of its proper divisors (1).

223616797 is an equidigital number, since it uses as much as digits as its factorization.

223616797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 43.

The square root of 223616797 is about 14953.8221535499. The cubic root of 223616797 is about 606.9712782482.

It can be divided in two parts, 223 and 616797, that multiplied together give a palindrome (137545731).

The spelling of 223616797 in words is "two hundred twenty-three million, six hundred sixteen thousand, seven hundred ninety-seven".