1322944 has 28 divisors (see below), whose sum is σ = 3001264. Its totient is φ = 566784.

The previous prime is 1322941. The next prime is 1322953. The reversal of 1322944 is 4492231.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1029 + ... + 1924.

It is an arithmetic number, because the mean of its divisors is an integer number (107188).

2^1322944 is an apocalyptic number.

1322944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1322944 is an abundant number, since it is smaller than the sum of its proper divisors (1678320).

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

1322944 is an equidigital number, since it uses as much as digits as its factorization.

1322944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2972 (or 2962 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 1322944 is about 1150.1930272785. The cubic root of 1322944 is about 109.7776223664. Note that the first 3 decimals are identical.

The spelling of 1322944 in words is "one million, three hundred twenty-two thousand, nine hundred forty-four".