442245231233 has 8 divisors (see below), whose sum is σ = 476269754688. Its totient is φ = 408221516304.

The previous prime is 442245231221. The next prime is 442245231277. The reversal of 442245231233 is 332132542244.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442245231233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442245231193 and 442245231202.

It is not an unprimeable number, because it can be changed into a prime (442245231833) 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 7 ways as a sum of consecutive naturals, for example, 1410410 + ... + 1695212.

It is an arithmetic number, because the mean of its divisors is an integer number (59533719336).

Almost surely, 2^442245231233 is an apocalyptic number.

It is an amenable number.

442245231233 is a deficient number, since it is larger than the sum of its proper divisors (34024523455).

442245231233 is a wasteful number, since it uses less digits than its factorization.

442245231233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404263.

The product of its digits is 138240, while the sum is 35.

Adding to 442245231233 its reverse (332132542244), we get a palindrome (774377773477).

The spelling of 442245231233 in words is "four hundred forty-two billion, two hundred forty-five million, two hundred thirty-one thousand, two hundred thirty-three".