42555422422 has 32 divisors (see below), whose sum is σ = 66457681920. Its totient is φ = 20415227040.

The previous prime is 42555422419. The next prime is 42555422491. The reversal of 42555422422 is 22422455524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4658023 + ... + 4667149.

It is an arithmetic number, because the mean of its divisors is an integer number (2076802560).

Almost surely, 2^42555422422 is an apocalyptic number.

42555422422 is a deficient number, since it is larger than the sum of its proper divisors (23902259498).

42555422422 is a wasteful number, since it uses less digits than its factorization.

42555422422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9796.

The product of its digits is 256000, while the sum is 37.

Adding to 42555422422 its reverse (22422455524), we get a palindrome (64977877946).

The spelling of 42555422422 in words is "forty-two billion, five hundred fifty-five million, four hundred twenty-two thousand, four hundred twenty-two".