1322528 has 24 divisors (see below), whose sum is σ = 2676492. Its totient is φ = 642816.

The previous prime is 1322527. The next prime is 1322543. The reversal of 1322528 is 8252231.

It can be written as a sum of positive squares in 2 ways, for example, as 1317904 + 4624 = 1148^2 + 68^2 .

It is not an unprimeable number, because it can be changed into a prime (1322521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626 + ... + 1742.

2^1322528 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 1322528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1338246).

1322528 is an abundant number, since it is smaller than the sum of its proper divisors (1353964).

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

1322528 is a wasteful number, since it uses less digits than its factorization.

1322528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164 (or 1156 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 1322528 is about 1150.0121738486. The cubic root of 1322528 is about 109.7661146285.

Adding to 1322528 its reverse (8252231), we get a palindrome (9574759).

The spelling of 1322528 in words is "one million, three hundred twenty-two thousand, five hundred twenty-eight".