442210214 has 4 divisors (see below), whose sum is σ = 663315324. Its totient is φ = 221105106.

The previous prime is 442210211. The next prime is 442210229. The reversal of 442210214 is 412012244.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442210211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110552552 + ... + 110552555.

It is an arithmetic number, because the mean of its divisors is an integer number (165828831).

Almost surely, 2^442210214 is an apocalyptic number.

442210214 is a deficient number, since it is larger than the sum of its proper divisors (221105110).

442210214 is a wasteful number, since it uses less digits than its factorization.

442210214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221105109.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 442210214 is about 21028.7948775007. The cubic root of 442210214 is about 761.8619018458.

Adding to 442210214 its reverse (412012244), we get a palindrome (854222458).

The spelling of 442210214 in words is "four hundred forty-two million, two hundred ten thousand, two hundred fourteen".