442210233 has 8 divisors (see below), whose sum is σ = 589783168. Its totient is φ = 294722064.

The previous prime is 442210229. The next prime is 442210243. The reversal of 442210233 is 332012244.

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

It is not a de Polignac number, because 442210233 - 2² = 442210229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442210243) 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, 7810 + ... + 30747.

It is an arithmetic number, because the mean of its divisors is an integer number (73722896).

Almost surely, 2^442210233 is an apocalyptic number.

It is an amenable number.

442210233 is a deficient number, since it is larger than the sum of its proper divisors (147572935).

442210233 is a wasteful number, since it uses less digits than its factorization.

442210233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42383.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 442210233 is about 21028.7953292622. The cubic root of 442210233 is about 761.8619127572.

Adding to 442210233 its reverse (332012244), we get a palindrome (774222477).

The spelling of 442210233 in words is "four hundred forty-two million, two hundred ten thousand, two hundred thirty-three".