1322244 has 120 divisors (see below), whose sum is σ = 4390848. Its totient is φ = 336960.

The previous prime is 1322227. The next prime is 1322257. The reversal of 1322244 is 4422231.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 24922 + ... + 24974.

2^1322244 is an apocalyptic number.

1322244 is a gapful number since it is divisible by the number (14) 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 1322244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2195424).

1322244 is an abundant number, since it is smaller than the sum of its proper divisors (3068604).

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

1322244 is a wasteful number, since it uses less digits than its factorization.

1322244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 76 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 1322244 is about 1149.8886902653. Note that the first 3 decimals coincide. The cubic root of 1322244 is about 109.7582569982.

Adding to 1322244 its reverse (4422231), we get a palindrome (5744475).

The spelling of 1322244 in words is "one million, three hundred twenty-two thousand, two hundred forty-four".