442421214 has 16 divisors (see below), whose sum is σ = 886891152. Its totient is φ = 147132288.

The previous prime is 442421207. The next prime is 442421219. The reversal of 442421214 is 412124244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442421219) 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, 82549 + ... + 87744.

It is an arithmetic number, because the mean of its divisors is an integer number (55430697).

Almost surely, 2^442421214 is an apocalyptic number.

442421214 is an abundant number, since it is smaller than the sum of its proper divisors (444469938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442421214 is a wasteful number, since it uses less digits than its factorization.

442421214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170731.

The product of its digits is 2048, while the sum is 24.

The square root of 442421214 is about 21033.8112095740. The cubic root of 442421214 is about 761.9830563671.

Adding to 442421214 its reverse (412124244), we get a palindrome (854545458).

The spelling of 442421214 in words is "four hundred forty-two million, four hundred twenty-one thousand, two hundred fourteen".