442233344 has 80 divisors (see below), whose sum is σ = 1017369408. Its totient is φ = 188116992.

The previous prime is 442233331. The next prime is 442233349. The reversal of 442233344 is 443332244.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (442233349) 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 7 ways as a sum of consecutive naturals, for example, 583814 + ... + 584570.

Almost surely, 2^442233344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442233344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508684704).

442233344 is an abundant number, since it is smaller than the sum of its proper divisors (575136064).

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

442233344 is an equidigital number, since it uses as much as digits as its factorization.

442233344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 929 counting only the distinct ones).

The product of its digits is 27648, while the sum is 29.

The square root of 442233344 is about 21029.3448304982. The cubic root of 442233344 is about 761.8751847883.

Adding to 442233344 its reverse (443332244), we get a palindrome (885565588).

The spelling of 442233344 in words is "four hundred forty-two million, two hundred thirty-three thousand, three hundred forty-four".