42304422 has 8 divisors (see below), whose sum is σ = 84608856. Its totient is φ = 14101472.

The previous prime is 42304391. The next prime is 42304439. The reversal of 42304422 is 22440324.

It is a sphenic number, since it is the product of 3 distinct primes.

42304422 is an admirable number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3525363 + ... + 3525374.

It is an arithmetic number, because the mean of its divisors is an integer number (10576107).

Almost surely, 2^42304422 is an apocalyptic number.

42304422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42304422 is a wasteful number, since it uses less digits than its factorization.

42304422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7050742.

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

The square root of 42304422 is about 6504.1849604697. The cubic root of 42304422 is about 348.4404681536.

Adding to 42304422 its reverse (22440324), we get a palindrome (64744746).

The spelling of 42304422 in words is "forty-two million, three hundred four thousand, four hundred twenty-two".