223324421 has 2 divisors, whose sum is σ = 223324422. Its totient is φ = 223324420.

The previous prime is 223324397. The next prime is 223324429. The reversal of 223324421 is 124423322.

223324421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 175562500 + 47761921 = 13250^2 + 6911^2 .

It is a cyclic number.

It is not a de Polignac number, because 223324421 - 2¹⁸ = 223062277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223324429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111662210 + 111662211.

It is an arithmetic number, because the mean of its divisors is an integer number (111662211).

Almost surely, 2^223324421 is an apocalyptic number.

It is an amenable number.

223324421 is a deficient number, since it is larger than the sum of its proper divisors (1).

223324421 is an equidigital number, since it uses as much as digits as its factorization.

223324421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 23.

The square root of 223324421 is about 14944.0429937818. The cubic root of 223324421 is about 606.7066272367.

Adding to 223324421 its reverse (124423322), we get a palindrome (347747743).

The spelling of 223324421 in words is "two hundred twenty-three million, three hundred twenty-four thousand, four hundred twenty-one".