440222442 has 48 divisors (see below), whose sum is σ = 976815840. Its totient is φ = 132153120.

The previous prime is 440222441. The next prime is 440222467. The reversal of 440222442 is 244222044.

It is not an unprimeable number, because it can be changed into a prime (440222441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76353 + ... + 81915.

It is an arithmetic number, because the mean of its divisors is an integer number (20350330).

Almost surely, 2^440222442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440222442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (488407920).

440222442 is an abundant number, since it is smaller than the sum of its proper divisors (536593398).

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

440222442 is a wasteful number, since it uses less digits than its factorization.

440222442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5699 (or 5688 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 440222442 is about 20981.4785465658. The cubic root of 440222442 is about 760.7186427336.

Adding to 440222442 its reverse (244222044), we get a palindrome (684444486).

It can be divided in two parts, 44022 and 2442, that added together give a palindrome (46464).

The spelling of 440222442 in words is "four hundred forty million, two hundred twenty-two thousand, four hundred forty-two".