442232311228 has 6 divisors (see below), whose sum is σ = 773906544656. Its totient is φ = 221116155612.

The previous prime is 442232311211. The next prime is 442232311229. The reversal of 442232311228 is 822113232244.

It is a junction number, because it is equal to n+sod(n) for n = 442232311193 and 442232311202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442232311229) 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 as a sum of consecutive naturals, namely, 55279038900 + ... + 55279038907.

Almost surely, 2^442232311228 is an apocalyptic number.

It is an amenable number.

442232311228 is a deficient number, since it is larger than the sum of its proper divisors (331674233428).

442232311228 is a wasteful number, since it uses less digits than its factorization.

442232311228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110558077811 (or 110558077809 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

The spelling of 442232311228 in words is "four hundred forty-two billion, two hundred thirty-two million, three hundred eleven thousand, two hundred twenty-eight".