223222513 has 2 divisors, whose sum is σ = 223222514. Its totient is φ = 223222512.

The previous prime is 223222477. The next prime is 223222543. The reversal of 223222513 is 315222322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207158449 + 16064064 = 14393^2 + 4008^2 .

It is a cyclic number.

It is not a de Polignac number, because 223222513 - 2⁹ = 223222001 is a prime.

It is a super-3 number, since 3×223222513³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (223222543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111611256 + 111611257.

It is an arithmetic number, because the mean of its divisors is an integer number (111611257).

Almost surely, 2^223222513 is an apocalyptic number.

It is an amenable number.

223222513 is a deficient number, since it is larger than the sum of its proper divisors (1).

223222513 is an equidigital number, since it uses as much as digits as its factorization.

223222513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 22.

The square root of 223222513 is about 14940.6329517862. The cubic root of 223222513 is about 606.6143285297.

Adding to 223222513 its reverse (315222322), we get a palindrome (538444835).

The spelling of 223222513 in words is "two hundred twenty-three million, two hundred twenty-two thousand, five hundred thirteen".