Search a number
-
+
2243223 = 32281887
BaseRepresentation
bin1000100011101010010111
311012222010100
420203222113
51033240343
6120025143
725032003
oct10435227
94188110
102243223
1112a2404
129021b3
13607068
14425703
152e49d3
hex223a97

2243223 has 12 divisors (see below), whose sum is σ = 3255408. Its totient is φ = 1488480.

The previous prime is 2243221. The next prime is 2243251. The reversal of 2243223 is 3223422.

2243223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2243223 - 21 = 2243221 is a prime.

2243223 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2243196 and 2243205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243221) 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 11 ways as a sum of consecutive naturals, for example, 2086 + ... + 2972.

It is an arithmetic number, because the mean of its divisors is an integer number (271284).

22243223 is an apocalyptic number.

2243223 is a deficient number, since it is larger than the sum of its proper divisors (1012185).

2243223 is a wasteful number, since it uses less digits than its factorization.

2243223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174 (or 1171 counting only the distinct ones).

The product of its digits is 576, while the sum is 18.

The square root of 2243223 is about 1497.7392964064. The cubic root of 2243223 is about 130.9053761835.

Adding to 2243223 its reverse (3223422), we get a palindrome (5466645).

The spelling of 2243223 in words is "two million, two hundred forty-three thousand, two hundred twenty-three".

Divisors: 1 3 9 281 843 887 2529 2661 7983 249247 747741 2243223