223224247 has 2 divisors, whose sum is σ = 223224248. Its totient is φ = 223224246.

The previous prime is 223224227. The next prime is 223224251. The reversal of 223224247 is 742422322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223224247 - 2⁷ = 223224119 is a prime.

It is a super-3 number, since 3×223224247³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223224227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111612123 + 111612124.

It is an arithmetic number, because the mean of its divisors is an integer number (111612124).

Almost surely, 2^223224247 is an apocalyptic number.

223224247 is a deficient number, since it is larger than the sum of its proper divisors (1).

223224247 is an equidigital number, since it uses as much as digits as its factorization.

223224247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 28.

The square root of 223224247 is about 14940.6909813435. The cubic root of 223224247 is about 606.6158992591.

Adding to 223224247 its reverse (742422322), we get a palindrome (965646569).

It can be divided in two parts, 22322 and 4247, that added together give a square (26569 = 163²).

The spelling of 223224247 in words is "two hundred twenty-three million, two hundred twenty-four thousand, two hundred forty-seven".