442203212 has 36 divisors (see below), whose sum is σ = 859461960. Its totient is φ = 198908160.

The previous prime is 442203193. The next prime is 442203227. The reversal of 442203212 is 212302244.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42239 + ... + 51657.

Almost surely, 2^442203212 is an apocalyptic number.

It is an amenable number.

442203212 is a deficient number, since it is larger than the sum of its proper divisors (417258748).

442203212 is a wasteful number, since it uses less digits than its factorization.

442203212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9542 (or 9529 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 442203212 is about 21028.6283908390. The cubic root of 442203212 is about 761.8578806925.

Adding to 442203212 its reverse (212302244), we get a palindrome (654505456).

The spelling of 442203212 in words is "four hundred forty-two million, two hundred three thousand, two hundred twelve".