1122320323344 has 160 divisors (see below), whose sum is σ = 3249334886400. Its totient is φ = 330808665600.

The previous prime is 1122320323339. The next prime is 1122320323361. The reversal of 1122320323344 is 4433230232211.

It is a happy number.

It is a super-2 number, since 2×1122320323344² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93747279 + ... + 93759249.

It is an arithmetic number, because the mean of its divisors is an integer number (20308343040).

Almost surely, 2^{1122320323344} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122320323344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1624667443200).

1122320323344 is an abundant number, since it is smaller than the sum of its proper divisors (2127014563056).

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

1122320323344 is a wasteful number, since it uses less digits than its factorization.

1122320323344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16829 (or 16823 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 1122320323344 its reverse (4433230232211), we get a palindrome (5555550555555).

The spelling of 1122320323344 in words is "one trillion, one hundred twenty-two billion, three hundred twenty million, three hundred twenty-three thousand, three hundred forty-four".