1322221220322 has 16 divisors (see below), whose sum is σ = 2689263499680. Its totient is φ = 433270230272.

The previous prime is 1322221220321. The next prime is 1322221220339. The reversal of 1322221220322 is 2230221222231.

It is a junction number, because it is equal to n+sod(n) for n = 1322221220292 and 1322221220301.

It is not an unprimeable number, because it can be changed into a prime (1322221220321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1867543743 + ... + 1867544450.

It is an arithmetic number, because the mean of its divisors is an integer number (168078968730).

Almost surely, 2^{1322221220322} is an apocalyptic number.

1322221220322 is an abundant number, since it is smaller than the sum of its proper divisors (1367042279358).

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

1322221220322 is a wasteful number, since it uses less digits than its factorization.

1322221220322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3735088257.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1322221220322 its reverse (2230221222231), we get a palindrome (3552442442553).

The spelling of 1322221220322 in words is "one trillion, three hundred twenty-two billion, two hundred twenty-one million, two hundred twenty thousand, three hundred twenty-two".