1322305560 has 160 divisors (see below), whose sum is σ = 4706048160. Its totient is φ = 331858944.

The previous prime is 1322305553. The next prime is 1322305571. The reversal of 1322305560 is 655032231.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 43077 + ... + 67083.

It is an arithmetic number, because the mean of its divisors is an integer number (29412801).

Almost surely, 2^1322305560 is an apocalyptic number.

1322305560 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 1322305560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2353024080).

1322305560 is an abundant number, since it is smaller than the sum of its proper divisors (3383742600).

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

1322305560 is a wasteful number, since it uses less digits than its factorization.

1322305560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24047 (or 24034 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1322305560 is about 36363.5196316308. The cubic root of 1322305560 is about 1097.5996031804.

Adding to 1322305560 its reverse (655032231), we get a palindrome (1977337791).

The spelling of 1322305560 in words is "one billion, three hundred twenty-two million, three hundred five thousand, five hundred sixty".