1303222220322 has 128 divisors (see below), whose sum is σ = 2993918312448. Its totient is φ = 374592859200.

The previous prime is 1303222220303. The next prime is 1303222220351. The reversal of 1303222220322 is 2230222223031.

It is a junction number, because it is equal to n+sod(n) for n = 1303222220292 and 1303222220301.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21536673 + ... + 21597099.

It is an arithmetic number, because the mean of its divisors is an integer number (23389986816).

Almost surely, 2^{1303222220322} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303222220322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1496959156224).

1303222220322 is an abundant number, since it is smaller than the sum of its proper divisors (1690696092126).

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

1303222220322 is a wasteful number, since it uses less digits than its factorization.

1303222220322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60684.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 1303222220322 its reverse (2230222223031), we get a palindrome (3533444443353).

The spelling of 1303222220322 in words is "one trillion, three hundred three billion, two hundred twenty-two million, two hundred twenty thousand, three hundred twenty-two".