42222142443 has 16 divisors (see below), whose sum is σ = 61251688736. Its totient is φ = 25714990080.

The previous prime is 42222142411. The next prime is 42222142453. The reversal of 42222142443 is 34424122224.

It is a happy number.

It is not a de Polignac number, because 42222142443 - 2⁵ = 42222142411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42222142443.

It is not an unprimeable number, because it can be changed into a prime (42222142453) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5576728 + ... + 5584293.

It is an arithmetic number, because the mean of its divisors is an integer number (3828230546).

Almost surely, 2^42222142443 is an apocalyptic number.

42222142443 is a deficient number, since it is larger than the sum of its proper divisors (19029546293).

42222142443 is a wasteful number, since it uses less digits than its factorization.

42222142443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11161134.

The product of its digits is 24576, while the sum is 30.

Adding to 42222142443 its reverse (34424122224), we get a palindrome (76646264667).

The spelling of 42222142443 in words is "forty-two billion, two hundred twenty-two million, one hundred forty-two thousand, four hundred forty-three".