442304022 has 8 divisors (see below), whose sum is σ = 884608056. Its totient is φ = 147434672.

The previous prime is 442304003. The next prime is 442304029. The reversal of 442304022 is 220403244.

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

442304022 is an admirable number.

It is a super-3 number, since 3×442304022³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 442304022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442304029) by changing a digit.

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, 36858663 + ... + 36858674.

It is an arithmetic number, because the mean of its divisors is an integer number (110576007).

Almost surely, 2^442304022 is an apocalyptic number.

442304022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

442304022 is a wasteful number, since it uses less digits than its factorization.

442304022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73717342.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 442304022 is about 21031.0252246532. The cubic root of 442304022 is about 761.9157704103.

Adding to 442304022 its reverse (220403244), we get a palindrome (662707266).

The spelling of 442304022 in words is "four hundred forty-two million, three hundred four thousand, twenty-two".