442522002 has 96 divisors (see below), whose sum is σ = 1031107392. Its totient is φ = 125807616.

The previous prime is 442521997. The next prime is 442522009. The reversal of 442522002 is 200225244.

It is a self number, because there is not a number n which added to its sum of digits gives 442522002.

It is not an unprimeable number, because it can be changed into a prime (442522009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1510168 + ... + 1510460.

It is an arithmetic number, because the mean of its divisors is an integer number (10740702).

Almost surely, 2^442522002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442522002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (515553696).

442522002 is an abundant number, since it is smaller than the sum of its proper divisors (588585390).

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

442522002 is a wasteful number, since it uses less digits than its factorization.

442522002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 442522002 is about 21036.2069299577. The cubic root of 442522002 is about 762.0409144405.

Adding to 442522002 its reverse (200225244), we get a palindrome (642747246).

The spelling of 442522002 in words is "four hundred forty-two million, five hundred twenty-two thousand, two".