10001220003222 has 48 divisors (see below), whose sum is σ = 24279802970112. Its totient is φ = 2733252669840.

The previous prime is 10001220003179. The next prime is 10001220003251. The reversal of 10001220003222 is 22230002210001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 739509654 + ... + 739523177.

It is an arithmetic number, because the mean of its divisors is an integer number (505829228544).

Almost surely, 2^{10001220003222} is an apocalyptic number.

10001220003222 is an abundant number, since it is smaller than the sum of its proper divisors (14278582966890).

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

10001220003222 is a wasteful number, since it uses less digits than its factorization.

10001220003222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479032873 (or 1479032866 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 10001220003222 its reverse (22230002210001), we get a palindrome (32231222213223).

The spelling of 10001220003222 in words is "ten trillion, one billion, two hundred twenty million, three thousand, two hundred twenty-two".