43422709 has 8 divisors (see below), whose sum is σ = 50156928. Its totient is φ = 37152960.

The previous prime is 43422707. The next prime is 43422721. The reversal of 43422709 is 90722434.

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 43422709 - 2¹ = 43422707 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 (43422703) 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, 115917 + ... + 116290.

It is an arithmetic number, because the mean of its divisors is an integer number (6269616).

Almost surely, 2^43422709 is an apocalyptic number.

It is an amenable number.

43422709 is a deficient number, since it is larger than the sum of its proper divisors (6734219).

43422709 is a wasteful number, since it uses less digits than its factorization.

43422709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232235.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 43422709 is about 6589.5909584738. The cubic root of 43422709 is about 351.4840630372.

The spelling of 43422709 in words is "forty-three million, four hundred twenty-two thousand, seven hundred nine".