1322796528 has 80 divisors (see below), whose sum is σ = 3811264000. Its totient is φ = 439266240.

The previous prime is 1322796523. The next prime is 1322796533. The reversal of 1322796528 is 8256972231.

1322796528 is a `hidden beast` number, since 1 + 32 + 2 + 7 + 96 + 528 = 666.

It is an interprime number because it is at equal distance from previous prime (1322796523) and next prime (1322796533).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322796523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111423 + ... + 122721.

It is an arithmetic number, because the mean of its divisors is an integer number (47640800).

Almost surely, 2^1322796528 is an apocalyptic number.

1322796528 is a gapful number since it is divisible by the number (18) 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 1322796528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1905632000).

1322796528 is an abundant number, since it is smaller than the sum of its proper divisors (2488467472).

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

1322796528 is a wasteful number, since it uses less digits than its factorization.

1322796528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11587 (or 11575 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 1322796528 is about 36370.2698367774. The cubic root of 1322796528 is about 1097.7354314933.

The spelling of 1322796528 in words is "one billion, three hundred twenty-two million, seven hundred ninety-six thousand, five hundred twenty-eight".