442222120430 has 16 divisors (see below), whose sum is σ = 804943636560. Its totient is φ = 174901332672.

The previous prime is 442222120411. The next prime is 442222120433. The reversal of 442222120430 is 34021222244.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 442222120430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442222120433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248438504 + ... + 248440283.

It is an arithmetic number, because the mean of its divisors is an integer number (50308977285).

Almost surely, 2^442222120430 is an apocalyptic number.

442222120430 is a deficient number, since it is larger than the sum of its proper divisors (362721516130).

442222120430 is a wasteful number, since it uses less digits than its factorization.

442222120430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496878883.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 442222120430 its reverse (34021222244), we get a palindrome (476243342674).

The spelling of 442222120430 in words is "four hundred forty-two billion, two hundred twenty-two million, one hundred twenty thousand, four hundred thirty".