43322272 has 48 divisors (see below), whose sum is σ = 99489600. Its totient is φ = 18561984.

The previous prime is 43322249. The next prime is 43322311. The reversal of 43322272 is 27222334.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9003 + ... + 12949.

It is an arithmetic number, because the mean of its divisors is an integer number (2072700).

Almost surely, 2^43322272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43322272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49744800).

43322272 is an abundant number, since it is smaller than the sum of its proper divisors (56167328).

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

43322272 is an equidigital number, since it uses as much as digits as its factorization.

43322272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3978 (or 3956 counting only the distinct ones).

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

The square root of 43322272 is about 6581.9656638424. The cubic root of 43322272 is about 351.2128588785.

The spelling of 43322272 in words is "forty-three million, three hundred twenty-two thousand, two hundred seventy-two".