42222220242 has 16 divisors (see below), whose sum is σ = 88888884960. Its totient is φ = 13333332672.

The previous prime is 42222220213. The next prime is 42222220253. The reversal of 42222220242 is 24202222224.

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, 185185063 + ... + 185185290.

It is an arithmetic number, because the mean of its divisors is an integer number (5555555310).

Almost surely, 2^42222220242 is an apocalyptic number.

42222220242 is an abundant number, since it is smaller than the sum of its proper divisors (46666664718).

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

42222220242 is a wasteful number, since it uses less digits than its factorization.

42222220242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370370377.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 42222220242 its reverse (24202222224), we get a palindrome (66424442466).

The spelling of 42222220242 in words is "forty-two billion, two hundred twenty-two million, two hundred twenty thousand, two hundred forty-two".