42422032321 has 4 divisors (see below), whose sum is σ = 42682290352. Its totient is φ = 42161774292.

The previous prime is 42422032319. The next prime is 42422032349. The reversal of 42422032321 is 12323022424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42422032321 - 2¹ = 42422032319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42422032021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130128771 + ... + 130129096.

It is an arithmetic number, because the mean of its divisors is an integer number (10670572588).

Almost surely, 2^42422032321 is an apocalyptic number.

It is an amenable number.

42422032321 is a deficient number, since it is larger than the sum of its proper divisors (260258031).

42422032321 is a wasteful number, since it uses less digits than its factorization.

42422032321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260258030.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 42422032321 its reverse (12323022424), we get a palindrome (54745054745).

The spelling of 42422032321 in words is "forty-two billion, four hundred twenty-two million, thirty-two thousand, three hundred twenty-one".