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2231223 = 37091049
BaseRepresentation
bin1000100000101110110111
311012100122220
420200232313
51032344343
6115453423
724652011
oct10405667
94170586
102231223
111294395
128b7273
13601767
144211b1
152e1183
hex220bb7

2231223 has 8 divisors (see below), whose sum is σ = 2982000. Its totient is φ = 1483968.

The previous prime is 2231219. The next prime is 2231269. The reversal of 2231223 is 3221322.

2231223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2231223 - 22 = 2231219 is a prime.

It is a super-3 number, since 3×22312233 = 33323467735068859701, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231293) 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 7 ways as a sum of consecutive naturals, for example, 1603 + ... + 2651.

It is an arithmetic number, because the mean of its divisors is an integer number (372750).

22231223 is an apocalyptic number.

2231223 is a deficient number, since it is larger than the sum of its proper divisors (750777).

2231223 is a wasteful number, since it uses less digits than its factorization.

2231223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761.

The product of its digits is 144, while the sum is 15.

The square root of 2231223 is about 1493.7278868656. The cubic root of 2231223 is about 130.6715349718.

Adding to 2231223 its reverse (3221322), we get a palindrome (5452545).

Subtracting 2231223 from its reverse (3221322), we obtain a palindrome (990099).

The spelling of 2231223 in words is "two million, two hundred thirty-one thousand, two hundred twenty-three".

Divisors: 1 3 709 1049 2127 3147 743741 2231223