43661422 has 8 divisors (see below), whose sum is σ = 74848176. Its totient is φ = 18712032.

The previous prime is 43661417. The next prime is 43661441. The reversal of 43661422 is 22416634.

43661422 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 congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1559323 + ... + 1559350.

It is an arithmetic number, because the mean of its divisors is an integer number (9356022).

Almost surely, 2^43661422 is an apocalyptic number.

43661422 is a deficient number, since it is larger than the sum of its proper divisors (31186754).

43661422 is a wasteful number, since it uses less digits than its factorization.

43661422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118682.

The product of its digits is 6912, while the sum is 28.

The square root of 43661422 is about 6607.6790176279. The cubic root of 43661422 is about 352.1269718849.

The spelling of 43661422 in words is "forty-three million, six hundred sixty-one thousand, four hundred twenty-two".