Search a number
-
+
2330221 is a prime number
BaseRepresentation
bin1000111000111001101101
311101101110111
420320321231
51044031341
6121540021
725543435
oct10707155
94341414
102330221
111351803
12944611
1363783a
144492c5
15310681
hex238e6d

2330221 has 2 divisors, whose sum is σ = 2330222. Its totient is φ = 2330220.

The previous prime is 2330203. The next prime is 2330227. The reversal of 2330221 is 1220332.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2292196 + 38025 = 1514^2 + 195^2 .

It is a cyclic number.

It is not a de Polignac number, because 2330221 - 29 = 2329709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2330227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165110 + 1165111.

It is an arithmetic number, because the mean of its divisors is an integer number (1165111).

22330221 is an apocalyptic number.

It is an amenable number.

2330221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2330221 is an equidigital number, since it uses as much as digits as its factorization.

2330221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2330221 is about 1526.5061414878. The cubic root of 2330221 is about 132.5762418694.

Adding to 2330221 its reverse (1220332), we get a palindrome (3550553).

The spelling of 2330221 in words is "two million, three hundred thirty thousand, two hundred twenty-one".