442422717 has 16 divisors (see below), whose sum is σ = 643888128. Its totient is φ = 267983280.

The previous prime is 442422713. The next prime is 442422719. The reversal of 442422717 is 717224244.

It is not a de Polignac number, because 442422717 - 2² = 442422713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442422713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90108 + ... + 94890.

It is an arithmetic number, because the mean of its divisors is an integer number (40243008).

Almost surely, 2^442422717 is an apocalyptic number.

It is an amenable number.

442422717 is a deficient number, since it is larger than the sum of its proper divisors (201465411).

442422717 is a wasteful number, since it uses less digits than its factorization.

442422717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7600.

The product of its digits is 25088, while the sum is 33.

The square root of 442422717 is about 21033.8469377335. The cubic root of 442422717 is about 761.9839192396.

It can be divided in two parts, 4424227 and 17, that added together give a palindrome (4424244).

The spelling of 442422717 in words is "four hundred forty-two million, four hundred twenty-two thousand, seven hundred seventeen".