43224340 has 24 divisors (see below), whose sum is σ = 91334880. Its totient is φ = 17182368.

The previous prime is 43224317. The next prime is 43224341. The reversal of 43224340 is 4342234.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43224341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3370 + ... + 9889.

It is an arithmetic number, because the mean of its divisors is an integer number (3805620).

Almost surely, 2^43224340 is an apocalyptic number.

It is an amenable number.

43224340 is an abundant number, since it is smaller than the sum of its proper divisors (48110540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43224340 is a wasteful number, since it uses less digits than its factorization.

43224340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13431 (or 13429 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 43224340 is about 6574.5220358593. The cubic root of 43224340 is about 350.9480149091.

Adding to 43224340 its reverse (4342234), we get a palindrome (47566574).

The spelling of 43224340 in words is "forty-three million, two hundred twenty-four thousand, three hundred forty".