43228857 has 16 divisors (see below), whose sum is σ = 69340160. Its totient is φ = 23401872.

The previous prime is 43228853. The next prime is 43228859. The reversal of 43228857 is 75882234.

It is not a de Polignac number, because 43228857 - 2² = 43228853 is a prime.

It is a super-3 number, since 3×43228857³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43228853) 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, 53773 + ... + 54570.

It is an arithmetic number, because the mean of its divisors is an integer number (4333760).

Almost surely, 2^43228857 is an apocalyptic number.

It is an amenable number.

43228857 is a deficient number, since it is larger than the sum of its proper divisors (26111303).

43228857 is a wasteful number, since it uses less digits than its factorization.

43228857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108372.

The product of its digits is 107520, while the sum is 39.

The square root of 43228857 is about 6574.8655499561. The cubic root of 43228857 is about 350.9602393253.

The spelling of 43228857 in words is "forty-three million, two hundred twenty-eight thousand, eight hundred fifty-seven".