2683221 has 4 divisors (see below), whose sum is σ = 3577632. Its totient is φ = 1788812.

The previous prime is 2683217. The next prime is 2683223. The reversal of 2683221 is 1223862.

2683221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2683221 - 2² = 2683217 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 2683191 and 2683200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2683223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447201 + ... + 447206.

It is an arithmetic number, because the mean of its divisors is an integer number (894408).

2^2683221 is an apocalyptic number.

It is an amenable number.

2683221 is a deficient number, since it is larger than the sum of its proper divisors (894411).

2683221 is an equidigital number, since it uses as much as digits as its factorization.

2683221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894410.

The product of its digits is 1152, while the sum is 24.

The square root of 2683221 is about 1638.0540284130. The cubic root of 2683221 is about 138.9586164608.

The spelling of 2683221 in words is "two million, six hundred eighty-three thousand, two hundred twenty-one".