442222421100 has 72 divisors (see below), whose sum is σ = 1282465916928. Its totient is φ = 117652334400.

The previous prime is 442222421071. The next prime is 442222421131. The reversal of 442222421100 is 1124222244.

It is a happy number.

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 23 ways as a sum of consecutive naturals, for example, 1580764 + ... + 1839363.

It is an arithmetic number, because the mean of its divisors is an integer number (17812026624).

Almost surely, 2^442222421100 is an apocalyptic number.

It is an amenable number.

442222421100 is an abundant number, since it is smaller than the sum of its proper divisors (840243495828).

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

442222421100 is a wasteful number, since it uses less digits than its factorization.

442222421100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420575 (or 3420568 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 442222421100 its reverse (1124222244), we get a palindrome (443346643344).

The spelling of 442222421100 in words is "four hundred forty-two billion, two hundred twenty-two million, four hundred twenty-one thousand, one hundred".