1322231168 has 64 divisors (see below), whose sum is σ = 2823070320. Its totient is φ = 614645760.

The previous prime is 1322231167. The next prime is 1322231201. The reversal of 1322231168 is 8611322231.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 1322231168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322231161) 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, 176948 + ... + 184268.

Almost surely, 2^1322231168 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 1322231168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1411535160).

1322231168 is an abundant number, since it is smaller than the sum of its proper divisors (1500839152).

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

1322231168 is an equidigital number, since it uses as much as digits as its factorization.

1322231168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7435 (or 7423 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 1322231168 is about 36362.4967239600. The cubic root of 1322231168 is about 1097.5790193951.

Adding to 1322231168 its reverse (8611322231), we get a palindrome (9933553399).

The spelling of 1322231168 in words is "one billion, three hundred twenty-two million, two hundred thirty-one thousand, one hundred sixty-eight".