42044442222 has 16 divisors (see below), whose sum is σ = 84091191120. Its totient is φ = 14014429632.

The previous prime is 42044442197. The next prime is 42044442227. The reversal of 42044442222 is 22224444024.

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 42044442222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42044442227) 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 7 ways as a sum of consecutive naturals, for example, 221668 + ... + 365000.

It is an arithmetic number, because the mean of its divisors is an integer number (5255699445).

Almost surely, 2^42044442222 is an apocalyptic number.

42044442222 is an abundant number, since it is smaller than the sum of its proper divisors (42046748898).

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

42044442222 is a wasteful number, since it uses less digits than its factorization.

42044442222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192227.

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

Adding to 42044442222 its reverse (22224444024), we get a palindrome (64268886246).

The spelling of 42044442222 in words is "forty-two billion, forty-four million, four hundred forty-two thousand, two hundred twenty-two".