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3220441 = 7460063
BaseRepresentation
bin1100010010001111011001
320001121121121
430102033121
51311023231
6153005241
736242020
oct14221731
96047547
103220441
1118aa624
1210b3821
13889ab3
145db8b7
15439311
hex3123d9

3220441 has 4 divisors (see below), whose sum is σ = 3680512. Its totient is φ = 2760372.

The previous prime is 3220433. The next prime is 3220447. The reversal of 3220441 is 1440223.

3220441 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, and also an emirpimes, since its reverse is a distinct semiprime: 1440223 = 1784719.

It is a cyclic number.

It is not a de Polignac number, because 3220441 - 23 = 3220433 is a prime.

It is a Duffinian number.

3220441 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3220447) 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, 230025 + ... + 230038.

It is an arithmetic number, because the mean of its divisors is an integer number (920128).

Almost surely, 23220441 is an apocalyptic number.

It is an amenable number.

3220441 is a deficient number, since it is larger than the sum of its proper divisors (460071).

3220441 is an equidigital number, since it uses as much as digits as its factorization.

3220441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460070.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 3220441 is about 1794.5587201315. The cubic root of 3220441 is about 147.6743662337.

Adding to 3220441 its reverse (1440223), we get a palindrome (4660664).

The spelling of 3220441 in words is "three million, two hundred twenty thousand, four hundred forty-one".

Divisors: 1 7 460063 3220441