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10223321 = 101101221
BaseRepresentation
bin100110111111…
…111011011001
3201020101202112
4212333323121
510104121241
61003042105
7152616413
oct46777331
921211675
1010223321
115852a29
123510335
13216c404
1415019b3
15d6e1eb
hex9bfed9

10223321 has 4 divisors (see below), whose sum is σ = 10324644. Its totient is φ = 10122000.

The previous prime is 10223303. The next prime is 10223327. The reversal of 10223321 is 12332201.

It is a happy number.

10223321 is digitally balanced in base 3, 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 can be written as a sum of positive squares in 2 ways, for example, as 4752400 + 5470921 = 2180^2 + 2339^2 .

It is a cyclic number.

It is not a de Polignac number, because 10223321 - 222 = 6029017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10223296 and 10223305.

It is not an unprimeable number, because it can be changed into a prime (10223327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50510 + ... + 50711.

It is an arithmetic number, because the mean of its divisors is an integer number (2581161).

Almost surely, 210223321 is an apocalyptic number.

It is an amenable number.

10223321 is a deficient number, since it is larger than the sum of its proper divisors (101323).

10223321 is a wasteful number, since it uses less digits than its factorization.

10223321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101322.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 10223321 is about 3197.3928441779. The cubic root of 10223321 is about 217.0354448108.

Adding to 10223321 its reverse (12332201), we get a palindrome (22555522).

The spelling of 10223321 in words is "ten million, two hundred twenty-three thousand, three hundred twenty-one".

Divisors: 1 101 101221 10223321