42442322 has 24 divisors (see below), whose sum is σ = 69393600. Its totient is φ = 19459440.

The previous prime is 42442307. The next prime is 42442349. The reversal of 42442322 is 22324424.

42442322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 66947 + ... + 67577.

It is an arithmetic number, because the mean of its divisors is an integer number (2891400).

Almost surely, 2^42442322 is an apocalyptic number.

42442322 is a deficient number, since it is larger than the sum of its proper divisors (26951278).

42442322 is a wasteful number, since it uses less digits than its factorization.

42442322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858 (or 845 counting only the distinct ones).

The product of its digits is 3072, while the sum is 23.

The square root of 42442322 is about 6514.7772026371. Note that the first 3 decimals coincide. The cubic root of 42442322 is about 348.8186620717.

Adding to 42442322 its reverse (22324424), we get a palindrome (64766746).

The spelling of 42442322 in words is "forty-two million, four hundred forty-two thousand, three hundred twenty-two".