1322241340420 has 384 divisors, whose sum is σ = 3895081344000. Its totient is φ = 363654144000.

The previous prime is 1322241340411. The next prime is 1322241340423. The reversal of 1322241340420 is 240431422231.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (1322241340423) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 58627306 + ... + 58649854.

It is an arithmetic number, because the mean of its divisors is an integer number (10143441000).

Almost surely, 2^{1322241340420} is an apocalyptic number.

1322241340420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1322241340420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1947540672000).

1322241340420 is an abundant number, since it is smaller than the sum of its proper divisors (2572840003580).

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

1322241340420 is a wasteful number, since it uses less digits than its factorization.

1322241340420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22719 (or 22717 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1322241340420 its reverse (240431422231), we get a palindrome (1562672762651).

It can be divided in two parts, 1322241 and 340420, that added together give a palindrome (1662661).

The spelling of 1322241340420 in words is "one trillion, three hundred twenty-two billion, two hundred forty-one million, three hundred forty thousand, four hundred twenty".