42425043322 has 4 divisors (see below), whose sum is σ = 63637564986. Its totient is φ = 21212521660.

The previous prime is 42425043317. The next prime is 42425043343. The reversal of 42425043322 is 22334052424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41314221081 + 1110822241 = 203259^2 + 33329^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10606260829 + ... + 10606260832.

Almost surely, 2^42425043322 is an apocalyptic number.

42425043322 is a deficient number, since it is larger than the sum of its proper divisors (21212521664).

42425043322 is a wasteful number, since it uses less digits than its factorization.

42425043322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21212521663.

The product of its (nonzero) digits is 46080, while the sum is 31.

Adding to 42425043322 its reverse (22334052424), we get a palindrome (64759095746).

The spelling of 42425043322 in words is "forty-two billion, four hundred twenty-five million, forty-three thousand, three hundred twenty-two".