442282244 has 24 divisors (see below), whose sum is σ = 793497600. Its totient is φ = 215620704.

The previous prime is 442282241. The next prime is 442282261.

442282244 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×442282244² = 391227166715351072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 442282244.

It is not an unprimeable number, because it can be changed into a prime (442282241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28157 + ... + 40955.

It is an arithmetic number, because the mean of its divisors is an integer number (33062400).

Almost surely, 2^442282244 is an apocalyptic number.

It is an amenable number.

442282244 is a deficient number, since it is larger than the sum of its proper divisors (351215356).

442282244 is a wasteful number, since it uses less digits than its factorization.

442282244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13019 (or 13017 counting only the distinct ones).

The product of its digits is 32768, while the sum is 32.

The square root of 442282244 is about 21030.5074594029. The cubic root of 442282244 is about 761.9032652304.

The spelling of 442282244 in words is "four hundred forty-two million, two hundred eighty-two thousand, two hundred forty-four".