442210324 has 12 divisors (see below), whose sum is σ = 819389844. Its totient is φ = 208098944.

The previous prime is 442210271. The next prime is 442210339. The reversal of 442210324 is 423012244.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 269550724 + 172659600 = 16418^2 + 13140^2 .

It is a junction number, because it is equal to n+sod(n) for n = 442210295 and 442210304.

It is a congruent number.

It is an unprimeable number.

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, 3251479 + ... + 3251614.

It is an arithmetic number, because the mean of its divisors is an integer number (68282487).

Almost surely, 2^442210324 is an apocalyptic number.

It is an amenable number.

442210324 is a deficient number, since it is larger than the sum of its proper divisors (377179520).

442210324 is a wasteful number, since it uses less digits than its factorization.

442210324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6503114 (or 6503112 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 442210324 is about 21028.7974929619. The cubic root of 442210324 is about 761.8619650170.

Adding to 442210324 its reverse (423012244), we get a palindrome (865222568).

The spelling of 442210324 in words is "four hundred forty-two million, two hundred ten thousand, three hundred twenty-four".