1322220220230 has 128 divisors (see below), whose sum is σ = 3910897686528. Its totient is φ = 278598039552.

The previous prime is 1322220220219. The next prime is 1322220220247. The reversal of 1322220220230 is 320220222231.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1322220220197 and 1322220220206.

It is a congruent number.

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, 1702462 + ... + 2354318.

It is an arithmetic number, because the mean of its divisors is an integer number (30553888176).

Almost surely, 2^{1322220220230} is an apocalyptic number.

1322220220230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1322220220230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1955448843264).

1322220220230 is an abundant number, since it is smaller than the sum of its proper divisors (2588677466298).

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

1322220220230 is a wasteful number, since it uses less digits than its factorization.

1322220220230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652630.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 1322220220230 its reverse (320220222231), we get a palindrome (1642440442461).

The spelling of 1322220220230 in words is "one trillion, three hundred twenty-two billion, two hundred twenty million, two hundred twenty thousand, two hundred thirty".