43222016 has 22 divisors (see below), whose sum is σ = 86403870. Its totient is φ = 21610496.

The previous prime is 43221961. The next prime is 43222033. The reversal of 43222016 is 61022234.

It can be written as a sum of positive squares in only one way, i.e., 40960000 + 2262016 = 6400^2 + 1504^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20081 + ... + 22128.

Almost surely, 2^43222016 is an apocalyptic number.

It is an amenable number.

43222016 is a deficient number, since it is larger than the sum of its proper divisors (43181854).

43222016 is an equidigital number, since it uses as much as digits as its factorization.

43222016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42229 (or 42211 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 43222016 is about 6574.3452905974. The cubic root of 43222016 is about 350.9417251057.

The spelling of 43222016 in words is "forty-three million, two hundred twenty-two thousand, sixteen".