42943229 has 8 divisors (see below), whose sum is σ = 50770560. Its totient is φ = 35539056.

The previous prime is 42943217. The next prime is 42943237. The reversal of 42943229 is 92234924.

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

It is not a de Polignac number, because 42943229 - 2²⁰ = 41894653 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42943259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105569 + ... + 105974.

It is an arithmetic number, because the mean of its divisors is an integer number (6346320).

Almost surely, 2^42943229 is an apocalyptic number.

It is an amenable number.

42943229 is a deficient number, since it is larger than the sum of its proper divisors (7827331).

42943229 is a wasteful number, since it uses less digits than its factorization.

42943229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211579.

The product of its digits is 31104, while the sum is 35.

The square root of 42943229 is about 6553.1083464261. The cubic root of 42943229 is about 350.1855587482.

The spelling of 42943229 in words is "forty-two million, nine hundred forty-three thousand, two hundred twenty-nine".