43224404 has 12 divisors (see below), whose sum is σ = 80092404. Its totient is φ = 20340864.

The previous prime is 43224343. The next prime is 43224409. The reversal of 43224404 is 40442234.

It can be written as a sum of positive squares in 2 ways, for example, as 30250000 + 12974404 = 5500^2 + 3602^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43224404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43224409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317759 + ... + 317894.

It is an arithmetic number, because the mean of its divisors is an integer number (6674367).

Almost surely, 2^43224404 is an apocalyptic number.

It is an amenable number.

43224404 is a deficient number, since it is larger than the sum of its proper divisors (36868000).

43224404 is a wasteful number, since it uses less digits than its factorization.

43224404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635674 (or 635672 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 43224404 is about 6574.5269031315. The cubic root of 43224404 is about 350.9481881191.

Adding to 43224404 its reverse (40442234), we get a palindrome (83666638).

The spelling of 43224404 in words is "forty-three million, two hundred twenty-four thousand, four hundred four".