442214505 has 16 divisors (see below), whose sum is σ = 786159360. Its totient is φ = 235847664.

The previous prime is 442214501. The next prime is 442214519. The reversal of 442214505 is 505412244.

442214505 is a `hidden beast` number, since 442 + 214 + 5 + 0 + 5 = 666.

It is not a de Polignac number, because 442214505 - 2² = 442214501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (442214501) 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, 1637697 + ... + 1637966.

It is an arithmetic number, because the mean of its divisors is an integer number (49134960).

Almost surely, 2^442214505 is an apocalyptic number.

442214505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

442214505 is a deficient number, since it is larger than the sum of its proper divisors (343944855).

442214505 is a wasteful number, since it uses less digits than its factorization.

442214505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3275677 (or 3275671 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 442214505 is about 21028.8969040223. The cubic root of 442214505 is about 761.8643660877.

Adding to 442214505 its reverse (505412244), we get a palindrome (947626749).

The spelling of 442214505 in words is "four hundred forty-two million, two hundred fourteen thousand, five hundred five".