42321221422 has 16 divisors (see below), whose sum is σ = 64254742272. Its totient is φ = 20903038200.

The previous prime is 42321221419. The next prime is 42321221431. The reversal of 42321221422 is 22412212324.

It is a congruent 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 in 7 ways as a sum of consecutive naturals, for example, 2456683 + ... + 2473849.

It is an arithmetic number, because the mean of its divisors is an integer number (4015921392).

Almost surely, 2^42321221422 is an apocalyptic number.

42321221422 is a deficient number, since it is larger than the sum of its proper divisors (21933520850).

42321221422 is a wasteful number, since it uses less digits than its factorization.

42321221422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32103.

The product of its digits is 3072, while the sum is 25.

Adding to 42321221422 its reverse (22412212324), we get a palindrome (64733433746).

The spelling of 42321221422 in words is "forty-two billion, three hundred twenty-one million, two hundred twenty-one thousand, four hundred twenty-two".