443440142422 has 4 divisors (see below), whose sum is σ = 665160213636. Its totient is φ = 221720071210.

The previous prime is 443440142407. The next prime is 443440142443. The reversal of 443440142422 is 224241044344.

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

It is a super-2 number, since 2×443440142422² (a number of 24 digits) contains 22 as substring.

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, 110860035604 + ... + 110860035607.

It is an arithmetic number, because the mean of its divisors is an integer number (166290053409).

Almost surely, 2^443440142422 is an apocalyptic number.

443440142422 is a deficient number, since it is larger than the sum of its proper divisors (221720071214).

443440142422 is a wasteful number, since it uses less digits than its factorization.

443440142422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221720071213.

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 443440142422 its reverse (224241044344), we get a palindrome (667681186766).

The spelling of 443440142422 in words is "four hundred forty-three billion, four hundred forty million, one hundred forty-two thousand, four hundred twenty-two".