42222134020 has 72 divisors (see below), whose sum is σ = 102086103168. Its totient is φ = 14545396800.

The previous prime is 42222133957. The next prime is 42222134021. The reversal of 42222134020 is 2043122224.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 42222133982 and 42222134000.

It is not an unprimeable number, because it can be changed into a prime (42222134021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186396 + ... + 345235.

It is an arithmetic number, because the mean of its divisors is an integer number (1417862544).

Almost surely, 2^42222134020 is an apocalyptic number.

It is an amenable number.

42222134020 is an abundant number, since it is smaller than the sum of its proper divisors (59863969148).

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

42222134020 is a wasteful number, since it uses less digits than its factorization.

42222134020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531689 (or 531668 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 42222134020 its reverse (2043122224), we get a palindrome (44265256244).

The spelling of 42222134020 in words is "forty-two billion, two hundred twenty-two million, one hundred thirty-four thousand, twenty".