43220042 has 8 divisors (see below), whose sum is σ = 64864800. Its totient is φ = 21598444.

The previous prime is 43220039. The next prime is 43220057. The reversal of 43220042 is 24002234.

43220042 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 self number, because there is not a number n which added to its sum of digits gives 43220042.

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, 59 + ... + 9297.

It is an arithmetic number, because the mean of its divisors is an integer number (8108100).

Almost surely, 2^43220042 is an apocalyptic number.

43220042 is a deficient number, since it is larger than the sum of its proper divisors (21644758).

43220042 is a wasteful number, since it uses less digits than its factorization.

43220042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11580.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 43220042 is about 6574.1951598656. The cubic root of 43220042 is about 350.9363823848.

Adding to 43220042 its reverse (24002234), we get a palindrome (67222276).

The spelling of 43220042 in words is "forty-three million, two hundred twenty thousand, forty-two".