1344221 has 4 divisors (see below), whose sum is σ = 1364352. Its totient is φ = 1324092.

The previous prime is 1344199. The next prime is 1344227. The reversal of 1344221 is 1224431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1344221 - 2⁶ = 1344157 is a prime.

It is a d-powerful number, because it can be written as 1 + 3⁶ + 4⁹ + 4¹⁰ + 2 + 2¹⁵ + 1 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1344221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344227) 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, 9965 + ... + 10098.

It is an arithmetic number, because the mean of its divisors is an integer number (341088).

2^1344221 is an apocalyptic number.

It is an amenable number.

1344221 is a deficient number, since it is larger than the sum of its proper divisors (20131).

1344221 is an equidigital number, since it uses as much as digits as its factorization.

1344221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20130.

The product of its digits is 192, while the sum is 17.

The square root of 1344221 is about 1159.4054510826. The cubic root of 1344221 is about 110.3630155555.

Adding to 1344221 its reverse (1224431), we get a palindrome (2568652).

It can be divided in two parts, 13442 and 21, that multiplied together give a palindrome (282282).

The spelling of 1344221 in words is "one million, three hundred forty-four thousand, two hundred twenty-one".