442222304 has 12 divisors (see below), whose sum is σ = 870625224. Its totient is φ = 221111136.

The previous prime is 442222279. The next prime is 442222327. The reversal of 442222304 is 403222244.

It is a self number, because there is not a number n which added to its sum of digits gives 442222304.

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, 6909692 + ... + 6909755.

It is an arithmetic number, because the mean of its divisors is an integer number (72552102).

Almost surely, 2^442222304 is an apocalyptic number.

It is an amenable number.

442222304 is a deficient number, since it is larger than the sum of its proper divisors (428402920).

442222304 is a wasteful number, since it uses less digits than its factorization.

442222304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13819457 (or 13819449 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 442222304 is about 21029.0823385140. The cubic root of 442222304 is about 761.8688448684.

Adding to 442222304 its reverse (403222244), we get a palindrome (845444548).

The spelling of 442222304 in words is "four hundred forty-two million, two hundred twenty-two thousand, three hundred four".