42220420422 has 8 divisors (see below), whose sum is σ = 84440840856. Its totient is φ = 14073473472.

The previous prime is 42220420421. The next prime is 42220420423. The reversal of 42220420422 is 22402402224.

It is an interprime number because it is at equal distance from previous prime (42220420421) and next prime (42220420423).

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

42220420422 is an admirable number.

It is a super-2 number, since 2×42220420422² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42220420392 and 42220420401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42220420421) 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, 3518368363 + ... + 3518368374.

It is an arithmetic number, because the mean of its divisors is an integer number (10555105107).

Almost surely, 2^42220420422 is an apocalyptic number.

42220420422 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.

42220420422 is a wasteful number, since it uses less digits than its factorization.

42220420422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7036736742.

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

Adding to 42220420422 its reverse (22402402224), we get a palindrome (64622822646).

The spelling of 42220420422 in words is "forty-two billion, two hundred twenty million, four hundred twenty thousand, four hundred twenty-two".