442003143224 has 16 divisors (see below), whose sum is σ = 828763284120. Its totient is φ = 220999600800.

The previous prime is 442003143217. The next prime is 442003143227. The reversal of 442003143224 is 422341300244.

It is a super-2 number, since 2×442003143224² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442003143227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220774 + ... + 1540874.

Almost surely, 2^442003143224 is an apocalyptic number.

It is an amenable number.

442003143224 is a deficient number, since it is larger than the sum of its proper divisors (386760140896).

442003143224 is a wasteful number, since it uses less digits than its factorization.

442003143224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492710 (or 492706 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 442003143224 its reverse (422341300244), we get a palindrome (864344443468).

The spelling of 442003143224 in words is "four hundred forty-two billion, three million, one hundred forty-three thousand, two hundred twenty-four".