43223272 has 8 divisors (see below), whose sum is σ = 81043650. Its totient is φ = 21611632.

The previous prime is 43223263. The next prime is 43223273. The reversal of 43223272 is 27232234.

It can be written as a sum of positive squares in only one way, i.e., 39513796 + 3709476 = 6286^2 + 1926^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (43223273) 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 as a sum of consecutive naturals, namely, 2701447 + ... + 2701462.

Almost surely, 2^43223272 is an apocalyptic number.

It is an amenable number.

43223272 is a deficient number, since it is larger than the sum of its proper divisors (37820378).

43223272 is a wasteful number, since it uses less digits than its factorization.

43223272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5402915 (or 5402911 counting only the distinct ones).

The product of its digits is 4032, while the sum is 25.

The square root of 43223272 is about 6574.4408127232. The cubic root of 43223272 is about 350.9451244423.

The spelling of 43223272 in words is "forty-three million, two hundred twenty-three thousand, two hundred seventy-two".