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220330223 = 832654581
BaseRepresentation
bin11010010000111…
…11100011101111
3120100120221020122
431020133203233
5422401031343
633510235155
75313530111
oct1510374357
9510527218
10220330223
111034093a3
1261955abb
1336854b19
14213953b1
1514523068
hexd21f8ef

220330223 has 4 divisors (see below), whose sum is σ = 222984888. Its totient is φ = 217675560.

The previous prime is 220330207. The next prime is 220330241. The reversal of 220330223 is 322033022.

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 220330223 - 24 = 220330207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220330273) 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, 1327208 + ... + 1327373.

It is an arithmetic number, because the mean of its divisors is an integer number (55746222).

Almost surely, 2220330223 is an apocalyptic number.

220330223 is a deficient number, since it is larger than the sum of its proper divisors (2654665).

220330223 is an equidigital number, since it uses as much as digits as its factorization.

220330223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654664.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 220330223 is about 14843.5246151310. The cubic root of 220330223 is about 603.9829671892.

Adding to 220330223 its reverse (322033022), we get a palindrome (542363245).

It can be divided in two parts, 22033022 and 3, that multiplied together give a palindrome (66099066).

The spelling of 220330223 in words is "two hundred twenty million, three hundred thirty thousand, two hundred twenty-three".

Divisors: 1 83 2654581 220330223