43228229 has 16 divisors (see below), whose sum is σ = 51549696. Its totient is φ = 35788800.

The previous prime is 43228217. The next prime is 43228243. The reversal of 43228229 is 92282234.

It is a cyclic number.

It is not a de Polignac number, because 43228229 - 2¹² = 43224133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43228195 and 43228204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43228429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2069 + ... + 9525.

It is an arithmetic number, because the mean of its divisors is an integer number (3221856).

Almost surely, 2^43228229 is an apocalyptic number.

It is an amenable number.

43228229 is a deficient number, since it is larger than the sum of its proper divisors (8321467).

43228229 is a wasteful number, since it uses less digits than its factorization.

43228229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7516.

The product of its digits is 13824, while the sum is 32.

The square root of 43228229 is about 6574.8177921521. The cubic root of 43228229 is about 350.9585398117.

The spelling of 43228229 in words is "forty-three million, two hundred twenty-eight thousand, two hundred twenty-nine".