442442002 has 8 divisors (see below), whose sum is σ = 663875712. Its totient is φ = 221150100.

The previous prime is 442441991. The next prime is 442442023. The reversal of 442442002 is 200244244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×442442002³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27274 + ... + 40357.

It is an arithmetic number, because the mean of its divisors is an integer number (82984464).

Almost surely, 2^442442002 is an apocalyptic number.

442442002 is a deficient number, since it is larger than the sum of its proper divisors (221433710).

442442002 is a wasteful number, since it uses less digits than its factorization.

442442002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70904.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 442442002 is about 21034.3053605295. The cubic root of 442442002 is about 761.9949905867.

Adding to 442442002 its reverse (200244244), we get a palindrome (642686246).

The spelling of 442442002 in words is "four hundred forty-two million, four hundred forty-two thousand, two".