442020222444 has 24 divisors (see below), whose sum is σ = 1066945365360. Its totient is φ = 142259381824.

The previous prime is 442020222439. The next prime is 442020222461. The reversal of 442020222444 is 444222020244.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635086179 + ... + 635086874.

It is an arithmetic number, because the mean of its divisors is an integer number (44456056890).

Almost surely, 2^442020222444 is an apocalyptic number.

It is an amenable number.

442020222444 is an abundant number, since it is smaller than the sum of its proper divisors (624925142916).

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

442020222444 is a wasteful number, since it uses less digits than its factorization.

442020222444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270173089 (or 1270173087 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 442020222444 its reverse (444222020244), we get a palindrome (886242242688).

The spelling of 442020222444 in words is "four hundred forty-two billion, twenty million, two hundred twenty-two thousand, four hundred forty-four".