442533212 has 12 divisors (see below), whose sum is σ = 844836216. Its totient is φ = 201151440.

The previous prime is 442533211. The next prime is 442533257. The reversal of 442533212 is 212335244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442533211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5028743 + ... + 5028830.

It is an arithmetic number, because the mean of its divisors is an integer number (70403018).

Almost surely, 2^442533212 is an apocalyptic number.

It is an amenable number.

442533212 is a deficient number, since it is larger than the sum of its proper divisors (402303004).

442533212 is a wasteful number, since it uses less digits than its factorization.

442533212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10057588 (or 10057586 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 442533212 is about 21036.4733736432. The cubic root of 442533212 is about 762.0473490784.

Adding to 442533212 its reverse (212335244), we get a palindrome (654868456).

The spelling of 442533212 in words is "four hundred forty-two million, five hundred thirty-three thousand, two hundred twelve".