43224689 has 2 divisors, whose sum is σ = 43224690. Its totient is φ = 43224688.

The previous prime is 43224653. The next prime is 43224737. The reversal of 43224689 is 98642234.

It is a happy number.

43224689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27384289 + 15840400 = 5233^2 + 3980^2 .

It is a cyclic number.

It is not a de Polignac number, because 43224689 - 2¹⁶ = 43159153 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43224289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21612344 + 21612345.

It is an arithmetic number, because the mean of its divisors is an integer number (21612345).

Almost surely, 2^43224689 is an apocalyptic number.

It is an amenable number.

43224689 is a deficient number, since it is larger than the sum of its proper divisors (1).

43224689 is an equidigital number, since it uses as much as digits as its factorization.

43224689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 38.

The square root of 43224689 is about 6574.5485776592. The cubic root of 43224689 is about 350.9489594428.

The spelling of 43224689 in words is "forty-three million, two hundred twenty-four thousand, six hundred eighty-nine".