442233012 has 48 divisors (see below), whose sum is σ = 1113725312. Its totient is φ = 135768960.

The previous prime is 442232971. The next prime is 442233013. The reversal of 442233012 is 210332244.

It is a self number, because there is not a number n which added to its sum of digits gives 442233012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442233013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73062 + ... + 78882.

Almost surely, 2^442233012 is an apocalyptic number.

It is an amenable number.

442233012 is an abundant number, since it is smaller than the sum of its proper divisors (671492300).

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

442233012 is a wasteful number, since it uses less digits than its factorization.

442233012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6328 (or 6326 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 442233012 is about 21029.3369367653. The cubic root of 442233012 is about 761.8749941329.

Adding to 442233012 its reverse (210332244), we get a palindrome (652565256).

The spelling of 442233012 in words is "four hundred forty-two million, two hundred thirty-three thousand, twelve".