43396722 has 80 divisors (see below), whose sum is σ = 106983360. Its totient is φ = 13087008.

The previous prime is 43396721. The next prime is 43396729. The reversal of 43396722 is 22769334.

It is a happy number.

43396722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (43396721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 70488 + ... + 71100.

It is an arithmetic number, because the mean of its divisors is an integer number (1337292).

Almost surely, 2^43396722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43396722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53491680).

43396722 is an abundant number, since it is smaller than the sum of its proper divisors (63586638).

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

43396722 is a wasteful number, since it uses less digits than its factorization.

43396722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669 (or 660 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 43396722 is about 6587.6188414328. The cubic root of 43396722 is about 351.4139319983.

The spelling of 43396722 in words is "forty-three million, three hundred ninety-six thousand, seven hundred twenty-two".