442144022 has 8 divisors (see below), whose sum is σ = 698122200. Its totient is φ = 209436624.

The previous prime is 442143997. The next prime is 442144033. The reversal of 442144022 is 220441244.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5817647 + ... + 5817722.

It is an arithmetic number, because the mean of its divisors is an integer number (87265275).

Almost surely, 2^442144022 is an apocalyptic number.

442144022 is a deficient number, since it is larger than the sum of its proper divisors (255978178).

442144022 is a wasteful number, since it uses less digits than its factorization.

442144022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11635390.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 442144022 is about 21027.2209766293. The cubic root of 442144022 is about 761.8238869849.

Adding to 442144022 its reverse (220441244), we get a palindrome (662585266).

The spelling of 442144022 in words is "four hundred forty-two million, one hundred forty-four thousand, twenty-two".