43228213 has 8 divisors (see below), whose sum is σ = 49496832. Its totient is φ = 36982896.

The previous prime is 43228193. The next prime is 43228217. The reversal of 43228213 is 31282234.

43228213 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 a cyclic number.

It is not a de Polignac number, because 43228213 - 2⁵ = 43228181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43228217) 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, 1645 + ... + 9442.

It is an arithmetic number, because the mean of its divisors is an integer number (6187104).

Almost surely, 2^43228213 is an apocalyptic number.

It is an amenable number.

43228213 is a deficient number, since it is larger than the sum of its proper divisors (6268619).

43228213 is a wasteful number, since it uses less digits than its factorization.

43228213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11651.

The product of its digits is 2304, while the sum is 25.

The square root of 43228213 is about 6574.8165753882. The cubic root of 43228213 is about 350.9584965118.

The spelling of 43228213 in words is "forty-three million, two hundred twenty-eight thousand, two hundred thirteen".