42222442042 has 24 divisors (see below), whose sum is σ = 69804520128. Its totient is φ = 19139684520.

The previous prime is 42222442013. The next prime is 42222442063. The reversal of 42222442042 is 24024422224.

It is a super-2 number, since 2×42222442042² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42222442042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148888 + ... + 326515.

It is an arithmetic number, because the mean of its divisors is an integer number (2908521672).

Almost surely, 2^42222442042 is an apocalyptic number.

42222442042 is a deficient number, since it is larger than the sum of its proper divisors (27582078086).

42222442042 is a wasteful number, since it uses less digits than its factorization.

42222442042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475794 (or 475783 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 42222442042 its reverse (24024422224), we get a palindrome (66246864266).

The spelling of 42222442042 in words is "forty-two billion, two hundred twenty-two million, four hundred forty-two thousand, forty-two".