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2232231 = 3744077
BaseRepresentation
bin1000100000111110100111
311012102001020
420200332213
51032412411
6115502223
724654651
oct10407647
94172036
102232231
111295121
128b7973
13602061
144216d1
152e1606
hex220fa7

2232231 has 4 divisors (see below), whose sum is σ = 2976312. Its totient is φ = 1488152.

The previous prime is 2232229. The next prime is 2232257. The reversal of 2232231 is 1322322.

2232231 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.

It is a cyclic number.

It is not a de Polignac number, because 2232231 - 21 = 2232229 is a prime.

It is a super-3 number, since 3×22322313 = 33368651788048747173, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a D-number.

2232231 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2232231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232221) 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, 372036 + ... + 372041.

It is an arithmetic number, because the mean of its divisors is an integer number (744078).

22232231 is an apocalyptic number.

2232231 is a deficient number, since it is larger than the sum of its proper divisors (744081).

2232231 is an equidigital number, since it uses as much as digits as its factorization.

2232231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744080.

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

The square root of 2232231 is about 1494.0652596189. The cubic root of 2232231 is about 130.6912098432.

Adding to 2232231 its reverse (1322322), we get a palindrome (3554553).

Subtracting from 2232231 its reverse (1322322), we obtain a palindrome (909909).

The spelling of 2232231 in words is "two million, two hundred thirty-two thousand, two hundred thirty-one".

Divisors: 1 3 744077 2232231