42400222422 has 8 divisors (see below), whose sum is σ = 84800444856. Its totient is φ = 14133407472.

The previous prime is 42400222421. The next prime is 42400222451. The reversal of 42400222422 is 22422200424.

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

42400222422 is an admirable number.

It is a super-2 number, since 2×42400222422² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42400222392 and 42400222401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42400222421) 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, 3533351863 + ... + 3533351874.

It is an arithmetic number, because the mean of its divisors is an integer number (10600055607).

Almost surely, 2^42400222422 is an apocalyptic number.

42400222422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42400222422 is a wasteful number, since it uses less digits than its factorization.

42400222422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7066703742.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 42400222422 its reverse (22422200424), we get a palindrome (64822422846).

The spelling of 42400222422 in words is "forty-two billion, four hundred million, two hundred twenty-two thousand, four hundred twenty-two".