442011224 has 16 divisors (see below), whose sum is σ = 830648520. Its totient is φ = 220504960.

The previous prime is 442011223. The next prime is 442011239. The reversal of 442011224 is 422110244.

It is a junction number, because it is equal to n+sod(n) for n = 442011196 and 442011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442011223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58817 + ... + 65904.

Almost surely, 2^442011224 is an apocalyptic number.

It is an amenable number.

442011224 is a deficient number, since it is larger than the sum of its proper divisors (388637296).

442011224 is a wasteful number, since it uses less digits than its factorization.

442011224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125170 (or 125166 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 442011224 is about 21024.0629755526. The cubic root of 442011224 is about 761.7476080547.

Adding to 442011224 its reverse (422110244), we get a palindrome (864121468).

The spelling of 442011224 in words is "four hundred forty-two million, eleven thousand, two hundred twenty-four".