223304334440 has 128 divisors (see below), whose sum is σ = 553224608640. Its totient is φ = 80446080000.

The previous prime is 223304334439. The next prime is 223304334457. The reversal of 223304334440 is 44433403322.

It is a super-2 number, since 2×223304334440² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223304334397 and 223304334406.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38097110 + ... + 38102970.

It is an arithmetic number, because the mean of its divisors is an integer number (4322067255).

Almost surely, 2^223304334440 is an apocalyptic number.

223304334440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223304334440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276612304320).

223304334440 is an abundant number, since it is smaller than the sum of its proper divisors (329920274200).

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

223304334440 is a wasteful number, since it uses less digits than its factorization.

223304334440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6675 (or 6671 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 223304334440 its reverse (44433403322), we get a palindrome (267737737762).

The spelling of 223304334440 in words is "two hundred twenty-three billion, three hundred four million, three hundred thirty-four thousand, four hundred forty".