42242004422 has 4 divisors (see below), whose sum is σ = 63363006636. Its totient is φ = 21121002210.

The previous prime is 42242004361. The next prime is 42242004433. The reversal of 42242004422 is 22440024224.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 42242004391 and 42242004400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10560501104 + ... + 10560501107.

It is an arithmetic number, because the mean of its divisors is an integer number (15840751659).

Almost surely, 2^42242004422 is an apocalyptic number.

42242004422 is a deficient number, since it is larger than the sum of its proper divisors (21121002214).

42242004422 is a wasteful number, since it uses less digits than its factorization.

42242004422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21121002213.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 42242004422 its reverse (22440024224), we get a palindrome (64682028646).

The spelling of 42242004422 in words is "forty-two billion, two hundred forty-two million, four thousand, four hundred twenty-two".