442243414 has 4 divisors (see below), whose sum is σ = 663365124. Its totient is φ = 221121706.

The previous prime is 442243397. The next prime is 442243421. The reversal of 442243414 is 414342244.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110560852 + ... + 110560855.

It is an arithmetic number, because the mean of its divisors is an integer number (165841281).

Almost surely, 2^442243414 is an apocalyptic number.

442243414 is a deficient number, since it is larger than the sum of its proper divisors (221121710).

442243414 is a wasteful number, since it uses less digits than its factorization.

442243414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221121709.

The product of its digits is 12288, while the sum is 28.

The square root of 442243414 is about 21029.5842564707. The cubic root of 442243414 is about 761.8809675762.

Adding to 442243414 its reverse (414342244), we get a palindrome (856585658).

The spelling of 442243414 in words is "four hundred forty-two million, two hundred forty-three thousand, four hundred fourteen".