442888244 has 12 divisors (see below), whose sum is σ = 779385600. Its totient is φ = 220206648.

The previous prime is 442888217. The next prime is 442888321.

442888244 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×442888244² = 392299993346807072, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442888195 and 442888204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308564 + ... + 309995.

It is an arithmetic number, because the mean of its divisors is an integer number (64948800).

Almost surely, 2^442888244 is an apocalyptic number.

It is an amenable number.

442888244 is a deficient number, since it is larger than the sum of its proper divisors (336497356).

442888244 is a wasteful number, since it uses less digits than its factorization.

442888244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618742 (or 618740 counting only the distinct ones).

The product of its digits is 524288, while the sum is 44.

The square root of 442888244 is about 21044.9101684944. The cubic root of 442888244 is about 762.2510843518.

The spelling of 442888244 in words is "four hundred forty-two million, eight hundred eighty-eight thousand, two hundred forty-four".