1322401215344 has 30 divisors (see below), whose sum is σ = 2816250113040. Its totient is φ = 601091460640.

The previous prime is 1322401215301. The next prime is 1322401215349. The reversal of 1322401215344 is 4435121042231.

It is a super-2 number, since 2×1322401215344² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1322401215344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322401215349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 341527304 + ... + 341531175.

It is an arithmetic number, because the mean of its divisors is an integer number (93875003768).

Almost surely, 2^{1322401215344} is an apocalyptic number.

It is an amenable number.

1322401215344 is an abundant number, since it is smaller than the sum of its proper divisors (1493848897696).

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

1322401215344 is a wasteful number, since it uses less digits than its factorization.

1322401215344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683058509 (or 683058492 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 1322401215344 its reverse (4435121042231), we get a palindrome (5757522257575).

The spelling of 1322401215344 in words is "one trillion, three hundred twenty-two billion, four hundred one million, two hundred fifteen thousand, three hundred forty-four".