1003222223320 has 96 divisors (see below), whose sum is σ = 2400688406880. Its totient is φ = 376006722560.

The previous prime is 1003222223309. The next prime is 1003222223347. The reversal of 1003222223320 is 233222223001.

It is a junction number, because it is equal to n+sod(n) for n = 1003222223291 and 1003222223300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35025405 + ... + 35054035.

It is an arithmetic number, because the mean of its divisors is an integer number (25007170905).

Almost surely, 2^{1003222223320} is an apocalyptic number.

1003222223320 is a gapful number since it is divisible by the number (10) 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 1003222223320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1200344203440).

1003222223320 is an abundant number, since it is smaller than the sum of its proper divisors (1397466183560).

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

1003222223320 is a wasteful number, since it uses less digits than its factorization.

1003222223320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29113 (or 28882 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 1003222223320 its reverse (233222223001), we get a palindrome (1236444446321).

The spelling of 1003222223320 in words is "one trillion, three billion, two hundred twenty-two million, two hundred twenty-three thousand, three hundred twenty".