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3220223 = 3499227
BaseRepresentation
bin1100010010001011111111
320001121022112
430102023333
51311021343
6153004235
736241256
oct14221377
96047275
103220223
1118aa446
1210b367b
13889976
145db79d
15439218
hex3122ff

3220223 has 4 divisors (see below), whose sum is σ = 3229800. Its totient is φ = 3210648.

The previous prime is 3220219. The next prime is 3220267.

3220223 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3220223 - 22 = 3220219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3220198 and 3220207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4265 + ... + 4962.

It is an arithmetic number, because the mean of its divisors is an integer number (807450).

Almost surely, 23220223 is an apocalyptic number.

3220223 is a deficient number, since it is larger than the sum of its proper divisors (9577).

3220223 is an equidigital number, since it uses as much as digits as its factorization.

3220223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9576.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 3220223 is about 1794.4979799376. The cubic root of 3220223 is about 147.6710340049.

It can be divided in two parts, 3220 and 223, that added together give a palindrome (3443).

The spelling of 3220223 in words is "three million, two hundred twenty thousand, two hundred twenty-three".

Divisors: 1 349 9227 3220223