223220011313 has 4 divisors (see below), whose sum is σ = 240390781428. Its totient is φ = 206049241200.

The previous prime is 223220011303. The next prime is 223220011367. The reversal of 223220011313 is 313110022322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313110022322 = 2 ⋅156555011161.

It can be written as a sum of positive squares in 2 ways, for example, as 134020423744 + 89199587569 = 366088^2 + 298663^2 .

It is a cyclic number.

It is not a de Polignac number, because 223220011313 - 2⁴ = 223220011297 is a prime.

It is a super-3 number, since 3×223220011313³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223220011303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8585385038 + ... + 8585385063.

It is an arithmetic number, because the mean of its divisors is an integer number (60097695357).

Almost surely, 2^223220011313 is an apocalyptic number.

It is an amenable number.

223220011313 is a deficient number, since it is larger than the sum of its proper divisors (17170770115).

223220011313 is a wasteful number, since it uses less digits than its factorization.

223220011313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17170770114.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 223220011313 its reverse (313110022322), we get a palindrome (536330033635).

The spelling of 223220011313 in words is "two hundred twenty-three billion, two hundred twenty million, eleven thousand, three hundred thirteen".