1322544 has 40 divisors (see below), whose sum is σ = 3481920. Its totient is φ = 432448.

The previous prime is 1322543. The next prime is 1322557. The reversal of 1322544 is 4452231.

1322544 = T₅₇ + T₅₈ + ... + T₂₀₀.

It is a self number, because there is not a number n which added to its sum of digits gives 1322544.

It is not an unprimeable number, because it can be changed into a prime (1322543) 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, 2599 + ... + 3065.

It is an arithmetic number, because the mean of its divisors is an integer number (87048).

2^1322544 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 1322544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1740960).

1322544 is an abundant number, since it is smaller than the sum of its proper divisors (2159376).

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

1322544 is a wasteful number, since it uses less digits than its factorization.

1322544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 531 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 1322544 is about 1150.0191302757. The cubic root of 1322544 is about 109.7665572784.

Adding to 1322544 its reverse (4452231), we get a palindrome (5774775).

The spelling of 1322544 in words is "one million, three hundred twenty-two thousand, five hundred forty-four".