1000221044320 has 48 divisors (see below), whose sum is σ = 2363089891680. Its totient is φ = 400076959744.

The previous prime is 1000221044309. The next prime is 1000221044351. The reversal of 1000221044320 is 234401220001.

1000221044320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7541136 + ... + 7672624.

It is an arithmetic number, because the mean of its divisors is an integer number (49231039410).

Almost surely, 2^{1000221044320} is an apocalyptic number.

1000221044320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000221044320 is an abundant number, since it is smaller than the sum of its proper divisors (1362868847360).

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

1000221044320 is a wasteful number, since it uses less digits than its factorization.

1000221044320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179047 (or 179039 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 1000221044320 its reverse (234401220001), we get a palindrome (1234622264321).

The spelling of 1000221044320 in words is "one trillion, two hundred twenty-one million, forty-four thousand, three hundred twenty".