442213210 has 32 divisors (see below), whose sum is σ = 811581120. Its totient is φ = 173451648.

The previous prime is 442213207. The next prime is 442213229. The reversal of 442213210 is 12312244.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113454 + ... + 117286.

It is an arithmetic number, because the mean of its divisors is an integer number (25361910).

Almost surely, 2^442213210 is an apocalyptic number.

442213210 is a deficient number, since it is larger than the sum of its proper divisors (369367910).

442213210 is a wasteful number, since it uses less digits than its factorization.

442213210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4062.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 442213210 is about 21028.8661130361. The cubic root of 442213210 is about 761.8636223949.

Adding to 442213210 its reverse (12312244), we get a palindrome (454525454).

The spelling of 442213210 in words is "four hundred forty-two million, two hundred thirteen thousand, two hundred ten".