42244042422 has 16 divisors (see below), whose sum is σ = 87401467440. Its totient is φ = 13595783712.

The previous prime is 42244042397. The next prime is 42244042439. The reversal of 42244042422 is 22424044224.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42244042422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121390753 + ... + 121391100.

It is an arithmetic number, because the mean of its divisors is an integer number (5462591715).

Almost surely, 2^42244042422 is an apocalyptic number.

42244042422 is an abundant number, since it is smaller than the sum of its proper divisors (45157425018).

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

42244042422 is a wasteful number, since it uses less digits than its factorization.

42244042422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242781887.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 42244042422 its reverse (22424044224), we get a palindrome (64668086646).

The spelling of 42244042422 in words is "forty-two billion, two hundred forty-four million, forty-two thousand, four hundred twenty-two".