42404322 has 16 divisors (see below), whose sum is σ = 87733440. Its totient is φ = 13647312.

The previous prime is 42404269. The next prime is 42404359. The reversal of 42404322 is 22340424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121678 + ... + 122025.

It is an arithmetic number, because the mean of its divisors is an integer number (5483340).

Almost surely, 2^42404322 is an apocalyptic number.

42404322 is an abundant number, since it is smaller than the sum of its proper divisors (45329118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42404322 is a wasteful number, since it uses less digits than its factorization.

42404322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243737.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 42404322 is about 6511.8601029199. The cubic root of 42404322 is about 348.7145280658.

Adding to 42404322 its reverse (22340424), we get a palindrome (64744746).

The spelling of 42404322 in words is "forty-two million, four hundred four thousand, three hundred twenty-two".