442894891222 has 8 divisors (see below), whose sum is σ = 759248384976. Its totient is φ = 189812096232.

The previous prime is 442894891217. The next prime is 442894891223. The reversal of 442894891222 is 222198498244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442894891223) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15817674673 + ... + 15817674700.

It is an arithmetic number, because the mean of its divisors is an integer number (94906048122).

Almost surely, 2^442894891222 is an apocalyptic number.

442894891222 is a deficient number, since it is larger than the sum of its proper divisors (316353493754).

442894891222 is a wasteful number, since it uses less digits than its factorization.

442894891222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31635349382.

The product of its digits is 5308416, while the sum is 55.

The spelling of 442894891222 in words is "four hundred forty-two billion, eight hundred ninety-four million, eight hundred ninety-one thousand, two hundred twenty-two".