43223725 has 6 divisors (see below), whose sum is σ = 53597450. Its totient is φ = 34578960.

The previous prime is 43223711. The next prime is 43223731. The reversal of 43223725 is 52732234.

43223725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 687241 + 42536484 = 829^2 + 6522^2 .

It is not a de Polignac number, because 43223725 - 2¹¹ = 43221677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43223693 and 43223702.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 864450 + ... + 864499.

Almost surely, 2^43223725 is an apocalyptic number.

It is an amenable number.

43223725 is a deficient number, since it is larger than the sum of its proper divisors (10373725).

43223725 is a wasteful number, since it uses less digits than its factorization.

43223725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728959 (or 1728954 counting only the distinct ones).

The product of its digits is 10080, while the sum is 28.

The square root of 43223725 is about 6574.4752642321. The cubic root of 43223725 is about 350.9463504607.

Adding to 43223725 its reverse (52732234), we get a palindrome (95955959).

The spelling of 43223725 in words is "forty-three million, two hundred twenty-three thousand, seven hundred twenty-five".