1225344 has 32 divisors (see below), whose sum is σ = 3255840. Its totient is φ = 408320.

The previous prime is 1225331. The next prime is 1225361. The reversal of 1225344 is 4435221.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1225344.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1212 + ... + 1979.

It is an arithmetic number, because the mean of its divisors is an integer number (101745).

2^1225344 is an apocalyptic number.

It is an amenable number.

1225344 is an abundant number, since it is smaller than the sum of its proper divisors (2030496).

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

1225344 is an equidigital number, since it uses as much as digits as its factorization.

1225344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3208 (or 3196 counting only the distinct ones).

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

The square root of 1225344 is about 1106.9525735098. The cubic root of 1225344 is about 107.0087627843.

The spelling of 1225344 in words is "one million, two hundred twenty-five thousand, three hundred forty-four".