42426422 has 8 divisors (see below), whose sum is σ = 63667272. Its totient is φ = 21204000.

The previous prime is 42426413. The next prime is 42426427. The reversal of 42426422 is 22462424.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 42426391 and 42426400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42426427) by changing a digit.

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, 6797 + ... + 11447.

It is an arithmetic number, because the mean of its divisors is an integer number (7958409).

Almost surely, 2^42426422 is an apocalyptic number.

42426422 is a deficient number, since it is larger than the sum of its proper divisors (21240850).

42426422 is a wasteful number, since it uses less digits than its factorization.

42426422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9214.

The product of its digits is 6144, while the sum is 26.

The square root of 42426422 is about 6513.5567856587. The cubic root of 42426422 is about 348.7750977771.

Adding to 42426422 its reverse (22462424), we get a palindrome (64888846).

The spelling of 42426422 in words is "forty-two million, four hundred twenty-six thousand, four hundred twenty-two".