442223532 has 36 divisors (see below), whose sum is σ = 1121190616. Its totient is φ = 146966400.

The previous prime is 442223531. The next prime is 442223539. The reversal of 442223532 is 235322244.

It is a happy number.

442223532 is a `hidden beast` number, since 4 + 422 + 235 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 442223496 and 442223505.

It is not an unprimeable number, because it can be changed into a prime (442223531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6094 + ... + 30357.

Almost surely, 2^442223532 is an apocalyptic number.

It is an amenable number.

442223532 is an abundant number, since it is smaller than the sum of its proper divisors (678967084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442223532 is a wasteful number, since it uses less digits than its factorization.

442223532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36798 (or 36793 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 442223532 is about 21029.1115361539. Note that the first 3 decimals coincide. The cubic root of 442223532 is about 761.8695500748.

Adding to 442223532 its reverse (235322244), we get a palindrome (677545776).

The spelling of 442223532 in words is "four hundred forty-two million, two hundred twenty-three thousand, five hundred thirty-two".