43222135 has 8 divisors (see below), whose sum is σ = 56581776. Its totient is φ = 31434240.

The previous prime is 43222111. The next prime is 43222139. The reversal of 43222135 is 53122234.

43222135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43222135 - 2²¹ = 41124983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43222139) 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 7 ways as a sum of consecutive naturals, for example, 392874 + ... + 392983.

It is an arithmetic number, because the mean of its divisors is an integer number (7072722).

Almost surely, 2^43222135 is an apocalyptic number.

43222135 is a deficient number, since it is larger than the sum of its proper divisors (13359641).

43222135 is a wasteful number, since it uses less digits than its factorization.

43222135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785873.

The product of its digits is 1440, while the sum is 22.

The square root of 43222135 is about 6574.3543409220. The cubic root of 43222135 is about 350.9420471794.

Adding to 43222135 its reverse (53122234), we get a palindrome (96344369).

Subtracting 43222135 from its reverse (53122234), we obtain a palindrome (9900099).

The spelling of 43222135 in words is "forty-three million, two hundred twenty-two thousand, one hundred thirty-five".