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223214222 = 27111449443
BaseRepresentation
bin11010100110111…
…11101010001110
3120120000110100102
431103133222032
5424120323342
634052131102
75350201220
oct1523375216
9516013312
10223214222
11104aa9170
1262906a92
133732472a
1421906410
15148e2832
hexd4dfa8e

223214222 has 16 divisors (see below), whose sum is σ = 417439872. Its totient is φ = 86966520.

The previous prime is 223214221. The next prime is 223214227. The reversal of 223214222 is 222412322.

It is a super-3 number, since 3×2232142223 (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223214194 and 223214203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223214221) 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 7 ways as a sum of consecutive naturals, for example, 724568 + ... + 724875.

It is an arithmetic number, because the mean of its divisors is an integer number (26089992).

Almost surely, 2223214222 is an apocalyptic number.

223214222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

223214222 is a deficient number, since it is larger than the sum of its proper divisors (194225650).

223214222 is a wasteful number, since it uses less digits than its factorization.

223214222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449463.

The product of its digits is 768, while the sum is 20.

The square root of 223214222 is about 14940.3554843919. The cubic root of 223214222 is about 606.6068180840.

Adding to 223214222 its reverse (222412322), we get a palindrome (445626544).

The spelling of 223214222 in words is "two hundred twenty-three million, two hundred fourteen thousand, two hundred twenty-two".

Divisors: 1 2 7 11 14 22 77 154 1449443 2898886 10146101 15943873 20292202 31887746 111607111 223214222