223344439 has 2 divisors, whose sum is σ = 223344440. Its totient is φ = 223344438.

The previous prime is 223344413. The next prime is 223344461. The reversal of 223344439 is 934443322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223344439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223344409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111672219 + 111672220.

It is an arithmetic number, because the mean of its divisors is an integer number (111672220).

Almost surely, 2^223344439 is an apocalyptic number.

223344439 is a deficient number, since it is larger than the sum of its proper divisors (1).

223344439 is an equidigital number, since it uses as much as digits as its factorization.

223344439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 34.

The square root of 223344439 is about 14944.7127439774. The cubic root of 223344439 is about 606.7247543637.

The spelling of 223344439 in words is "two hundred twenty-three million, three hundred forty-four thousand, four hundred thirty-nine".